(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports"], factory);
    }
})(function (require, exports) {
    /* --------------------------------------------------------------------------------------------
     * Copyright (c) Microsoft Corporation. All rights reserved.
     * Licensed under the MIT License. See License.txt in the project root for license information.
     * ------------------------------------------------------------------------------------------ */
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * The Position namespace provides helper functions to work with
     * [Position](#Position) literals.
     */
    var Position;
    (function (Position) {
        /**
         * Creates a new Position literal from the given line and character.
         * @param line The position's line.
         * @param character The position's character.
         */
        function create(line, character) {
            return { line: line, character: character };
        }
        Position.create = create;
        /**
         * Checks whether the given liternal conforms to the [Position](#Position) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.objectLiteral(candidate) && Is.number(candidate.line) && Is.number(candidate.character);
        }
        Position.is = is;
    })(Position = exports.Position || (exports.Position = {}));
    /**
     * The Range namespace provides helper functions to work with
     * [Range](#Range) literals.
     */
    var Range;
    (function (Range) {
        function create(one, two, three, four) {
            if (Is.number(one) && Is.number(two) && Is.number(three) && Is.number(four)) {
                return { start: Position.create(one, two), end: Position.create(three, four) };
            }
            else if (Position.is(one) && Position.is(two)) {
                return { start: one, end: two };
            }
            else {
                throw new Error("Range#create called with invalid arguments[" + one + ", " + two + ", " + three + ", " + four + "]");
            }
        }
        Range.create = create;
        /**
         * Checks whether the given literal conforms to the [Range](#Range) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.objectLiteral(candidate) && Position.is(candidate.start) && Position.is(candidate.end);
        }
        Range.is = is;
    })(Range = exports.Range || (exports.Range = {}));
    /**
     * The Location namespace provides helper functions to work with
     * [Location](#Location) literals.
     */
    var Location;
    (function (Location) {
        /**
         * Creates a Location literal.
         * @param uri The location's uri.
         * @param range The location's range.
         */
        function create(uri, range) {
            return { uri: uri, range: range };
        }
        Location.create = create;
        /**
         * Checks whether the given literal conforms to the [Location](#Location) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Range.is(candidate.range) && (Is.string(candidate.uri) || Is.undefined(candidate.uri));
        }
        Location.is = is;
    })(Location = exports.Location || (exports.Location = {}));
    /**
     * The LocationLink namespace provides helper functions to work with
     * [LocationLink](#LocationLink) literals.
     */
    var LocationLink;
    (function (LocationLink) {
        /**
         * Creates a LocationLink literal.
         * @param targetUri The definition's uri.
         * @param targetRange The full range of the definition.
         * @param targetSelectionRange The span of the symbol definition at the target.
         * @param originSelectionRange The span of the symbol being defined in the originating source file.
         */
        function create(targetUri, targetRange, targetSelectionRange, originSelectionRange) {
            return { targetUri: targetUri, targetRange: targetRange, targetSelectionRange: targetSelectionRange, originSelectionRange: originSelectionRange };
        }
        LocationLink.create = create;
        /**
         * Checks whether the given literal conforms to the [LocationLink](#LocationLink) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Range.is(candidate.targetRange) && Is.string(candidate.targetUri)
                && (Range.is(candidate.targetSelectionRange) || Is.undefined(candidate.targetSelectionRange))
                && (Range.is(candidate.originSelectionRange) || Is.undefined(candidate.originSelectionRange));
        }
        LocationLink.is = is;
    })(LocationLink = exports.LocationLink || (exports.LocationLink = {}));
    /**
     * The Color namespace provides helper functions to work with
     * [Color](#Color) literals.
     */
    var Color;
    (function (Color) {
        /**
         * Creates a new Color literal.
         */
        function create(red, green, blue, alpha) {
            return {
                red: red,
                green: green,
                blue: blue,
                alpha: alpha,
            };
        }
        Color.create = create;
        /**
         * Checks whether the given literal conforms to the [Color](#Color) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.number(candidate.red)
                && Is.number(candidate.green)
                && Is.number(candidate.blue)
                && Is.number(candidate.alpha);
        }
        Color.is = is;
    })(Color = exports.Color || (exports.Color = {}));
    /**
     * The ColorInformation namespace provides helper functions to work with
     * [ColorInformation](#ColorInformation) literals.
     */
    var ColorInformation;
    (function (ColorInformation) {
        /**
         * Creates a new ColorInformation literal.
         */
        function create(range, color) {
            return {
                range: range,
                color: color,
            };
        }
        ColorInformation.create = create;
        /**
         * Checks whether the given literal conforms to the [ColorInformation](#ColorInformation) interface.
         */
        function is(value) {
            var candidate = value;
            return Range.is(candidate.range) && Color.is(candidate.color);
        }
        ColorInformation.is = is;
    })(ColorInformation = exports.ColorInformation || (exports.ColorInformation = {}));
    /**
     * The Color namespace provides helper functions to work with
     * [ColorPresentation](#ColorPresentation) literals.
     */
    var ColorPresentation;
    (function (ColorPresentation) {
        /**
         * Creates a new ColorInformation literal.
         */
        function create(label, textEdit, additionalTextEdits) {
            return {
                label: label,
                textEdit: textEdit,
                additionalTextEdits: additionalTextEdits,
            };
        }
        ColorPresentation.create = create;
        /**
         * Checks whether the given literal conforms to the [ColorInformation](#ColorInformation) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.string(candidate.label)
                && (Is.undefined(candidate.textEdit) || TextEdit.is(candidate))
                && (Is.undefined(candidate.additionalTextEdits) || Is.typedArray(candidate.additionalTextEdits, TextEdit.is));
        }
        ColorPresentation.is = is;
    })(ColorPresentation = exports.ColorPresentation || (exports.ColorPresentation = {}));
    /**
     * Enum of known range kinds
     */
    var FoldingRangeKind;
    (function (FoldingRangeKind) {
        /**
         * Folding range for a comment
         */
        FoldingRangeKind["Comment"] = "comment";
        /**
         * Folding range for a imports or includes
         */
        FoldingRangeKind["Imports"] = "imports";
        /**
         * Folding range for a region (e.g. `#region`)
         */
        FoldingRangeKind["Region"] = "region";
    })(FoldingRangeKind = exports.FoldingRangeKind || (exports.FoldingRangeKind = {}));
    /**
     * The folding range namespace provides helper functions to work with
     * [FoldingRange](#FoldingRange) literals.
     */
    var FoldingRange;
    (function (FoldingRange) {
        /**
         * Creates a new FoldingRange literal.
         */
        function create(startLine, endLine, startCharacter, endCharacter, kind) {
            var result = {
                startLine: startLine,
                endLine: endLine
            };
            if (Is.defined(startCharacter)) {
                result.startCharacter = startCharacter;
            }
            if (Is.defined(endCharacter)) {
                result.endCharacter = endCharacter;
            }
            if (Is.defined(kind)) {
                result.kind = kind;
            }
            return result;
        }
        FoldingRange.create = create;
        /**
         * Checks whether the given literal conforms to the [FoldingRange](#FoldingRange) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.number(candidate.startLine) && Is.number(candidate.startLine)
                && (Is.undefined(candidate.startCharacter) || Is.number(candidate.startCharacter))
                && (Is.undefined(candidate.endCharacter) || Is.number(candidate.endCharacter))
                && (Is.undefined(candidate.kind) || Is.string(candidate.kind));
        }
        FoldingRange.is = is;
    })(FoldingRange = exports.FoldingRange || (exports.FoldingRange = {}));
    /**
     * The DiagnosticRelatedInformation namespace provides helper functions to work with
     * [DiagnosticRelatedInformation](#DiagnosticRelatedInformation) literals.
     */
    var DiagnosticRelatedInformation;
    (function (DiagnosticRelatedInformation) {
        /**
         * Creates a new DiagnosticRelatedInformation literal.
         */
        function create(location, message) {
            return {
                location: location,
                message: message
            };
        }
        DiagnosticRelatedInformation.create = create;
        /**
         * Checks whether the given literal conforms to the [DiagnosticRelatedInformation](#DiagnosticRelatedInformation) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Location.is(candidate.location) && Is.string(candidate.message);
        }
        DiagnosticRelatedInformation.is = is;
    })(DiagnosticRelatedInformation = exports.DiagnosticRelatedInformation || (exports.DiagnosticRelatedInformation = {}));
    /**
     * The diagnostic's severity.
     */
    var DiagnosticSeverity;
    (function (DiagnosticSeverity) {
        /**
         * Reports an error.
         */
        DiagnosticSeverity.Error = 1;
        /**
         * Reports a warning.
         */
        DiagnosticSeverity.Warning = 2;
        /**
         * Reports an information.
         */
        DiagnosticSeverity.Information = 3;
        /**
         * Reports a hint.
         */
        DiagnosticSeverity.Hint = 4;
    })(DiagnosticSeverity = exports.DiagnosticSeverity || (exports.DiagnosticSeverity = {}));
    var DiagnosticTag;
    (function (DiagnosticTag) {
        /**
         * Unused or unnecessary code.
         *
         * Clients are allowed to render diagnostics with this tag faded out instead of having
         * an error squiggle.
         */
        DiagnosticTag.Unnecessary = 1;
    })(DiagnosticTag = exports.DiagnosticTag || (exports.DiagnosticTag = {}));
    /**
     * The Diagnostic namespace provides helper functions to work with
     * [Diagnostic](#Diagnostic) literals.
     */
    var Diagnostic;
    (function (Diagnostic) {
        /**
         * Creates a new Diagnostic literal.
         */
        function create(range, message, severity, code, source, relatedInformation) {
            var result = { range: range, message: message };
            if (Is.defined(severity)) {
                result.severity = severity;
            }
            if (Is.defined(code)) {
                result.code = code;
            }
            if (Is.defined(source)) {
                result.source = source;
            }
            if (Is.defined(relatedInformation)) {
                result.relatedInformation = relatedInformation;
            }
            return result;
        }
        Diagnostic.create = create;
        /**
         * Checks whether the given literal conforms to the [Diagnostic](#Diagnostic) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate)
                && Range.is(candidate.range)
                && Is.string(candidate.message)
                && (Is.number(candidate.severity) || Is.undefined(candidate.severity))
                && (Is.number(candidate.code) || Is.string(candidate.code) || Is.undefined(candidate.code))
                && (Is.string(candidate.source) || Is.undefined(candidate.source))
                && (Is.undefined(candidate.relatedInformation) || Is.typedArray(candidate.relatedInformation, DiagnosticRelatedInformation.is));
        }
        Diagnostic.is = is;
    })(Diagnostic = exports.Diagnostic || (exports.Diagnostic = {}));
    /**
     * The Command namespace provides helper functions to work with
     * [Command](#Command) literals.
     */
    var Command;
    (function (Command) {
        /**
         * Creates a new Command literal.
         */
        function create(title, command) {
            var args = [];
            for (var _i = 2; _i < arguments.length; _i++) {
                args[_i - 2] = arguments[_i];
            }
            var result = { title: title, command: command };
            if (Is.defined(args) && args.length > 0) {
                result.arguments = args;
            }
            return result;
        }
        Command.create = create;
        /**
         * Checks whether the given literal conforms to the [Command](#Command) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.string(candidate.title) && Is.string(candidate.command);
        }
        Command.is = is;
    })(Command = exports.Command || (exports.Command = {}));
    /**
     * The TextEdit namespace provides helper function to create replace,
     * insert and delete edits more easily.
     */
    var TextEdit;
    (function (TextEdit) {
        /**
         * Creates a replace text edit.
         * @param range The range of text to be replaced.
         * @param newText The new text.
         */
        function replace(range, newText) {
            return { range: range, newText: newText };
        }
        TextEdit.replace = replace;
        /**
         * Creates a insert text edit.
         * @param position The position to insert the text at.
         * @param newText The text to be inserted.
         */
        function insert(position, newText) {
            return { range: { start: position, end: position }, newText: newText };
        }
        TextEdit.insert = insert;
        /**
         * Creates a delete text edit.
         * @param range The range of text to be deleted.
         */
        function del(range) {
            return { range: range, newText: '' };
        }
        TextEdit.del = del;
        function is(value) {
            var candidate = value;
            return Is.objectLiteral(candidate)
                && Is.string(candidate.newText)
                && Range.is(candidate.range);
        }
        TextEdit.is = is;
    })(TextEdit = exports.TextEdit || (exports.TextEdit = {}));
    /**
     * The TextDocumentEdit namespace provides helper function to create
     * an edit that manipulates a text document.
     */
    var TextDocumentEdit;
    (function (TextDocumentEdit) {
        /**
         * Creates a new `TextDocumentEdit`
         */
        function create(textDocument, edits) {
            return { textDocument: textDocument, edits: edits };
        }
        TextDocumentEdit.create = create;
        function is(value) {
            var candidate = value;
            return Is.defined(candidate)
                && VersionedTextDocumentIdentifier.is(candidate.textDocument)
                && Array.isArray(candidate.edits);
        }
        TextDocumentEdit.is = is;
    })(TextDocumentEdit = exports.TextDocumentEdit || (exports.TextDocumentEdit = {}));
    var CreateFile;
    (function (CreateFile) {
        function create(uri, options) {
            var result = {
                kind: 'create',
                uri: uri
            };
            if (options !== void 0 && (options.overwrite !== void 0 || options.ignoreIfExists !== void 0)) {
                result.options = options;
            }
            return result;
        }
        CreateFile.create = create;
        function is(value) {
            var candidate = value;
            return candidate && candidate.kind === 'create' && Is.string(candidate.uri) &&
                (candidate.options === void 0 ||
                    ((candidate.options.overwrite === void 0 || Is.boolean(candidate.options.overwrite)) && (candidate.options.ignoreIfExists === void 0 || Is.boolean(candidate.options.ignoreIfExists))));
        }
        CreateFile.is = is;
    })(CreateFile = exports.CreateFile || (exports.CreateFile = {}));
    var RenameFile;
    (function (RenameFile) {
        function create(oldUri, newUri, options) {
            var result = {
                kind: 'rename',
                oldUri: oldUri,
                newUri: newUri
            };
            if (options !== void 0 && (options.overwrite !== void 0 || options.ignoreIfExists !== void 0)) {
                result.options = options;
            }
            return result;
        }
        RenameFile.create = create;
        function is(value) {
            var candidate = value;
            return candidate && candidate.kind === 'rename' && Is.string(candidate.oldUri) && Is.string(candidate.newUri) &&
                (candidate.options === void 0 ||
                    ((candidate.options.overwrite === void 0 || Is.boolean(candidate.options.overwrite)) && (candidate.options.ignoreIfExists === void 0 || Is.boolean(candidate.options.ignoreIfExists))));
        }
        RenameFile.is = is;
    })(RenameFile = exports.RenameFile || (exports.RenameFile = {}));
    var DeleteFile;
    (function (DeleteFile) {
        function create(uri, options) {
            var result = {
                kind: 'delete',
                uri: uri
            };
            if (options !== void 0 && (options.recursive !== void 0 || options.ignoreIfNotExists !== void 0)) {
                result.options = options;
            }
            return result;
        }
        DeleteFile.create = create;
        function is(value) {
            var candidate = value;
            return candidate && candidate.kind === 'delete' && Is.string(candidate.uri) &&
                (candidate.options === void 0 ||
                    ((candidate.options.recursive === void 0 || Is.boolean(candidate.options.recursive)) && (candidate.options.ignoreIfNotExists === void 0 || Is.boolean(candidate.options.ignoreIfNotExists))));
        }
        DeleteFile.is = is;
    })(DeleteFile = exports.DeleteFile || (exports.DeleteFile = {}));
    var WorkspaceEdit;
    (function (WorkspaceEdit) {
        function is(value) {
            var candidate = value;
            return candidate &&
                (candidate.changes !== void 0 || candidate.documentChanges !== void 0) &&
                (candidate.documentChanges === void 0 || candidate.documentChanges.every(function (change) {
                    if (Is.string(change.kind)) {
                        return CreateFile.is(change) || RenameFile.is(change) || DeleteFile.is(change);
                    }
                    else {
                        return TextDocumentEdit.is(change);
                    }
                }));
        }
        WorkspaceEdit.is = is;
    })(WorkspaceEdit = exports.WorkspaceEdit || (exports.WorkspaceEdit = {}));
    var TextEditChangeImpl = /** @class */ (function () {
        function TextEditChangeImpl(edits) {
            this.edits = edits;
        }
        TextEditChangeImpl.prototype.insert = function (position, newText) {
            this.edits.push(TextEdit.insert(position, newText));
        };
        TextEditChangeImpl.prototype.replace = function (range, newText) {
            this.edits.push(TextEdit.replace(range, newText));
        };
        TextEditChangeImpl.prototype.delete = function (range) {
            this.edits.push(TextEdit.del(range));
        };
        TextEditChangeImpl.prototype.add = function (edit) {
            this.edits.push(edit);
        };
        TextEditChangeImpl.prototype.all = function () {
            return this.edits;
        };
        TextEditChangeImpl.prototype.clear = function () {
            this.edits.splice(0, this.edits.length);
        };
        return TextEditChangeImpl;
    }());
    /**
     * A workspace change helps constructing changes to a workspace.
     */
    var WorkspaceChange = /** @class */ (function () {
        function WorkspaceChange(workspaceEdit) {
            var _this = this;
            this._textEditChanges = Object.create(null);
            if (workspaceEdit) {
                this._workspaceEdit = workspaceEdit;
                if (workspaceEdit.documentChanges) {
                    workspaceEdit.documentChanges.forEach(function (change) {
                        if (TextDocumentEdit.is(change)) {
                            var textEditChange = new TextEditChangeImpl(change.edits);
                            _this._textEditChanges[change.textDocument.uri] = textEditChange;
                        }
                    });
                }
                else if (workspaceEdit.changes) {
                    Object.keys(workspaceEdit.changes).forEach(function (key) {
                        var textEditChange = new TextEditChangeImpl(workspaceEdit.changes[key]);
                        _this._textEditChanges[key] = textEditChange;
                    });
                }
            }
        }
        Object.defineProperty(WorkspaceChange.prototype, "edit", {
            /**
             * Returns the underlying [WorkspaceEdit](#WorkspaceEdit) literal
             * use to be returned from a workspace edit operation like rename.
             */
            get: function () {
                return this._workspaceEdit;
            },
            enumerable: true,
            configurable: true
        });
        WorkspaceChange.prototype.getTextEditChange = function (key) {
            if (VersionedTextDocumentIdentifier.is(key)) {
                if (!this._workspaceEdit) {
                    this._workspaceEdit = {
                        documentChanges: []
                    };
                }
                if (!this._workspaceEdit.documentChanges) {
                    throw new Error('Workspace edit is not configured for document changes.');
                }
                var textDocument = key;
                var result = this._textEditChanges[textDocument.uri];
                if (!result) {
                    var edits = [];
                    var textDocumentEdit = {
                        textDocument: textDocument,
                        edits: edits
                    };
                    this._workspaceEdit.documentChanges.push(textDocumentEdit);
                    result = new TextEditChangeImpl(edits);
                    this._textEditChanges[textDocument.uri] = result;
                }
                return result;
            }
            else {
                if (!this._workspaceEdit) {
                    this._workspaceEdit = {
                        changes: Object.create(null)
                    };
                }
                if (!this._workspaceEdit.changes) {
                    throw new Error('Workspace edit is not configured for normal text edit changes.');
                }
                var result = this._textEditChanges[key];
                if (!result) {
                    var edits = [];
                    this._workspaceEdit.changes[key] = edits;
                    result = new TextEditChangeImpl(edits);
                    this._textEditChanges[key] = result;
                }
                return result;
            }
        };
        WorkspaceChange.prototype.createFile = function (uri, options) {
            this.checkDocumentChanges();
            this._workspaceEdit.documentChanges.push(CreateFile.create(uri, options));
        };
        WorkspaceChange.prototype.renameFile = function (oldUri, newUri, options) {
            this.checkDocumentChanges();
            this._workspaceEdit.documentChanges.push(RenameFile.create(oldUri, newUri, options));
        };
        WorkspaceChange.prototype.deleteFile = function (uri, options) {
            this.checkDocumentChanges();
            this._workspaceEdit.documentChanges.push(DeleteFile.create(uri, options));
        };
        WorkspaceChange.prototype.checkDocumentChanges = function () {
            if (!this._workspaceEdit || !this._workspaceEdit.documentChanges) {
                throw new Error('Workspace edit is not configured for document changes.');
            }
        };
        return WorkspaceChange;
    }());
    exports.WorkspaceChange = WorkspaceChange;
    /**
     * The TextDocumentIdentifier namespace provides helper functions to work with
     * [TextDocumentIdentifier](#TextDocumentIdentifier) literals.
     */
    var TextDocumentIdentifier;
    (function (TextDocumentIdentifier) {
        /**
         * Creates a new TextDocumentIdentifier literal.
         * @param uri The document's uri.
         */
        function create(uri) {
            return { uri: uri };
        }
        TextDocumentIdentifier.create = create;
        /**
         * Checks whether the given literal conforms to the [TextDocumentIdentifier](#TextDocumentIdentifier) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.string(candidate.uri);
        }
        TextDocumentIdentifier.is = is;
    })(TextDocumentIdentifier = exports.TextDocumentIdentifier || (exports.TextDocumentIdentifier = {}));
    /**
     * The VersionedTextDocumentIdentifier namespace provides helper functions to work with
     * [VersionedTextDocumentIdentifier](#VersionedTextDocumentIdentifier) literals.
     */
    var VersionedTextDocumentIdentifier;
    (function (VersionedTextDocumentIdentifier) {
        /**
         * Creates a new VersionedTextDocumentIdentifier literal.
         * @param uri The document's uri.
         * @param uri The document's text.
         */
        function create(uri, version) {
            return { uri: uri, version: version };
        }
        VersionedTextDocumentIdentifier.create = create;
        /**
         * Checks whether the given literal conforms to the [VersionedTextDocumentIdentifier](#VersionedTextDocumentIdentifier) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.string(candidate.uri) && (candidate.version === null || Is.number(candidate.version));
        }
        VersionedTextDocumentIdentifier.is = is;
    })(VersionedTextDocumentIdentifier = exports.VersionedTextDocumentIdentifier || (exports.VersionedTextDocumentIdentifier = {}));
    /**
     * The TextDocumentItem namespace provides helper functions to work with
     * [TextDocumentItem](#TextDocumentItem) literals.
     */
    var TextDocumentItem;
    (function (TextDocumentItem) {
        /**
         * Creates a new TextDocumentItem literal.
         * @param uri The document's uri.
         * @param languageId The document's language identifier.
         * @param version The document's version number.
         * @param text The document's text.
         */
        function create(uri, languageId, version, text) {
            return { uri: uri, languageId: languageId, version: version, text: text };
        }
        TextDocumentItem.create = create;
        /**
         * Checks whether the given literal conforms to the [TextDocumentItem](#TextDocumentItem) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.string(candidate.uri) && Is.string(candidate.languageId) && Is.number(candidate.version) && Is.string(candidate.text);
        }
        TextDocumentItem.is = is;
    })(TextDocumentItem = exports.TextDocumentItem || (exports.TextDocumentItem = {}));
    /**
     * Describes the content type that a client supports in various
     * result literals like `Hover`, `ParameterInfo` or `CompletionItem`.
     *
     * Please note that `MarkupKinds` must not start with a `$`. This kinds
     * are reserved for internal usage.
     */
    var MarkupKind;
    (function (MarkupKind) {
        /**
         * Plain text is supported as a content format
         */
        MarkupKind.PlainText = 'plaintext';
        /**
         * Markdown is supported as a content format
         */
        MarkupKind.Markdown = 'markdown';
    })(MarkupKind = exports.MarkupKind || (exports.MarkupKind = {}));
    (function (MarkupKind) {
        /**
         * Checks whether the given value is a value of the [MarkupKind](#MarkupKind) type.
         */
        function is(value) {
            var candidate = value;
            return candidate === MarkupKind.PlainText || candidate === MarkupKind.Markdown;
        }
        MarkupKind.is = is;
    })(MarkupKind = exports.MarkupKind || (exports.MarkupKind = {}));
    var MarkupContent;
    (function (MarkupContent) {
        /**
         * Checks whether the given value conforms to the [MarkupContent](#MarkupContent) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.objectLiteral(value) && MarkupKind.is(candidate.kind) && Is.string(candidate.value);
        }
        MarkupContent.is = is;
    })(MarkupContent = exports.MarkupContent || (exports.MarkupContent = {}));
    /**
     * The kind of a completion entry.
     */
    var CompletionItemKind;
    (function (CompletionItemKind) {
        CompletionItemKind.Text = 1;
        CompletionItemKind.Method = 2;
        CompletionItemKind.Function = 3;
        CompletionItemKind.Constructor = 4;
        CompletionItemKind.Field = 5;
        CompletionItemKind.Variable = 6;
        CompletionItemKind.Class = 7;
        CompletionItemKind.Interface = 8;
        CompletionItemKind.Module = 9;
        CompletionItemKind.Property = 10;
        CompletionItemKind.Unit = 11;
        CompletionItemKind.Value = 12;
        CompletionItemKind.Enum = 13;
        CompletionItemKind.Keyword = 14;
        CompletionItemKind.Snippet = 15;
        CompletionItemKind.Color = 16;
        CompletionItemKind.File = 17;
        CompletionItemKind.Reference = 18;
        CompletionItemKind.Folder = 19;
        CompletionItemKind.EnumMember = 20;
        CompletionItemKind.Constant = 21;
        CompletionItemKind.Struct = 22;
        CompletionItemKind.Event = 23;
        CompletionItemKind.Operator = 24;
        CompletionItemKind.TypeParameter = 25;
    })(CompletionItemKind = exports.CompletionItemKind || (exports.CompletionItemKind = {}));
    /**
     * Defines whether the insert text in a completion item should be interpreted as
     * plain text or a snippet.
     */
    var InsertTextFormat;
    (function (InsertTextFormat) {
        /**
         * The primary text to be inserted is treated as a plain string.
         */
        InsertTextFormat.PlainText = 1;
        /**
         * The primary text to be inserted is treated as a snippet.
         *
         * A snippet can define tab stops and placeholders with `$1`, `$2`
         * and `${3:foo}`. `$0` defines the final tab stop, it defaults to
         * the end of the snippet. Placeholders with equal identifiers are linked,
         * that is typing in one will update others too.
         *
         * See also: https://github.com/Microsoft/vscode/blob/master/src/vs/editor/contrib/snippet/common/snippet.md
         */
        InsertTextFormat.Snippet = 2;
    })(InsertTextFormat = exports.InsertTextFormat || (exports.InsertTextFormat = {}));
    /**
     * The CompletionItem namespace provides functions to deal with
     * completion items.
     */
    var CompletionItem;
    (function (CompletionItem) {
        /**
         * Create a completion item and seed it with a label.
         * @param label The completion item's label
         */
        function create(label) {
            return { label: label };
        }
        CompletionItem.create = create;
    })(CompletionItem = exports.CompletionItem || (exports.CompletionItem = {}));
    /**
     * The CompletionList namespace provides functions to deal with
     * completion lists.
     */
    var CompletionList;
    (function (CompletionList) {
        /**
         * Creates a new completion list.
         *
         * @param items The completion items.
         * @param isIncomplete The list is not complete.
         */
        function create(items, isIncomplete) {
            return { items: items ? items : [], isIncomplete: !!isIncomplete };
        }
        CompletionList.create = create;
    })(CompletionList = exports.CompletionList || (exports.CompletionList = {}));
    var MarkedString;
    (function (MarkedString) {
        /**
         * Creates a marked string from plain text.
         *
         * @param plainText The plain text.
         */
        function fromPlainText(plainText) {
            return plainText.replace(/[\\`*_{}[\]()#+\-.!]/g, "\\$&"); // escape markdown syntax tokens: http://daringfireball.net/projects/markdown/syntax#backslash
        }
        MarkedString.fromPlainText = fromPlainText;
        /**
         * Checks whether the given value conforms to the [MarkedString](#MarkedString) type.
         */
        function is(value) {
            var candidate = value;
            return Is.string(candidate) || (Is.objectLiteral(candidate) && Is.string(candidate.language) && Is.string(candidate.value));
        }
        MarkedString.is = is;
    })(MarkedString = exports.MarkedString || (exports.MarkedString = {}));
    var Hover;
    (function (Hover) {
        /**
         * Checks whether the given value conforms to the [Hover](#Hover) interface.
         */
        function is(value) {
            var candidate = value;
            return !!candidate && Is.objectLiteral(candidate) && (MarkupContent.is(candidate.contents) ||
                MarkedString.is(candidate.contents) ||
                Is.typedArray(candidate.contents, MarkedString.is)) && (value.range === void 0 || Range.is(value.range));
        }
        Hover.is = is;
    })(Hover = exports.Hover || (exports.Hover = {}));
    /**
     * The ParameterInformation namespace provides helper functions to work with
     * [ParameterInformation](#ParameterInformation) literals.
     */
    var ParameterInformation;
    (function (ParameterInformation) {
        /**
         * Creates a new parameter information literal.
         *
         * @param label A label string.
         * @param documentation A doc string.
         */
        function create(label, documentation) {
            return documentation ? { label: label, documentation: documentation } : { label: label };
        }
        ParameterInformation.create = create;
        ;
    })(ParameterInformation = exports.ParameterInformation || (exports.ParameterInformation = {}));
    /**
     * The SignatureInformation namespace provides helper functions to work with
     * [SignatureInformation](#SignatureInformation) literals.
     */
    var SignatureInformation;
    (function (SignatureInformation) {
        function create(label, documentation) {
            var parameters = [];
            for (var _i = 2; _i < arguments.length; _i++) {
                parameters[_i - 2] = arguments[_i];
            }
            var result = { label: label };
            if (Is.defined(documentation)) {
                result.documentation = documentation;
            }
            if (Is.defined(parameters)) {
                result.parameters = parameters;
            }
            else {
                result.parameters = [];
            }
            return result;
        }
        SignatureInformation.create = create;
    })(SignatureInformation = exports.SignatureInformation || (exports.SignatureInformation = {}));
    /**
     * A document highlight kind.
     */
    var DocumentHighlightKind;
    (function (DocumentHighlightKind) {
        /**
         * A textual occurrence.
         */
        DocumentHighlightKind.Text = 1;
        /**
         * Read-access of a symbol, like reading a variable.
         */
        DocumentHighlightKind.Read = 2;
        /**
         * Write-access of a symbol, like writing to a variable.
         */
        DocumentHighlightKind.Write = 3;
    })(DocumentHighlightKind = exports.DocumentHighlightKind || (exports.DocumentHighlightKind = {}));
    /**
     * DocumentHighlight namespace to provide helper functions to work with
     * [DocumentHighlight](#DocumentHighlight) literals.
     */
    var DocumentHighlight;
    (function (DocumentHighlight) {
        /**
         * Create a DocumentHighlight object.
         * @param range The range the highlight applies to.
         */
        function create(range, kind) {
            var result = { range: range };
            if (Is.number(kind)) {
                result.kind = kind;
            }
            return result;
        }
        DocumentHighlight.create = create;
    })(DocumentHighlight = exports.DocumentHighlight || (exports.DocumentHighlight = {}));
    /**
     * A symbol kind.
     */
    var SymbolKind;
    (function (SymbolKind) {
        SymbolKind.File = 1;
        SymbolKind.Module = 2;
        SymbolKind.Namespace = 3;
        SymbolKind.Package = 4;
        SymbolKind.Class = 5;
        SymbolKind.Method = 6;
        SymbolKind.Property = 7;
        SymbolKind.Field = 8;
        SymbolKind.Constructor = 9;
        SymbolKind.Enum = 10;
        SymbolKind.Interface = 11;
        SymbolKind.Function = 12;
        SymbolKind.Variable = 13;
        SymbolKind.Constant = 14;
        SymbolKind.String = 15;
        SymbolKind.Number = 16;
        SymbolKind.Boolean = 17;
        SymbolKind.Array = 18;
        SymbolKind.Object = 19;
        SymbolKind.Key = 20;
        SymbolKind.Null = 21;
        SymbolKind.EnumMember = 22;
        SymbolKind.Struct = 23;
        SymbolKind.Event = 24;
        SymbolKind.Operator = 25;
        SymbolKind.TypeParameter = 26;
    })(SymbolKind = exports.SymbolKind || (exports.SymbolKind = {}));
    var SymbolInformation;
    (function (SymbolInformation) {
        /**
         * Creates a new symbol information literal.
         *
         * @param name The name of the symbol.
         * @param kind The kind of the symbol.
         * @param range The range of the location of the symbol.
         * @param uri The resource of the location of symbol, defaults to the current document.
         * @param containerName The name of the symbol containing the symbol.
         */
        function create(name, kind, range, uri, containerName) {
            var result = {
                name: name,
                kind: kind,
                location: { uri: uri, range: range }
            };
            if (containerName) {
                result.containerName = containerName;
            }
            return result;
        }
        SymbolInformation.create = create;
    })(SymbolInformation = exports.SymbolInformation || (exports.SymbolInformation = {}));
    /**
     * Represents programming constructs like variables, classes, interfaces etc.
     * that appear in a document. Document symbols can be hierarchical and they
     * have two ranges: one that encloses its definition and one that points to
     * its most interesting range, e.g. the range of an identifier.
     */
    var DocumentSymbol = /** @class */ (function () {
        function DocumentSymbol() {
        }
        return DocumentSymbol;
    }());
    exports.DocumentSymbol = DocumentSymbol;
    (function (DocumentSymbol) {
        /**
         * Creates a new symbol information literal.
         *
         * @param name The name of the symbol.
         * @param detail The detail of the symbol.
         * @param kind The kind of the symbol.
         * @param range The range of the symbol.
         * @param selectionRange The selectionRange of the symbol.
         * @param children Children of the symbol.
         */
        function create(name, detail, kind, range, selectionRange, children) {
            var result = {
                name: name,
                detail: detail,
                kind: kind,
                range: range,
                selectionRange: selectionRange
            };
            if (children !== void 0) {
                result.children = children;
            }
            return result;
        }
        DocumentSymbol.create = create;
        /**
         * Checks whether the given literal conforms to the [DocumentSymbol](#DocumentSymbol) interface.
         */
        function is(value) {
            var candidate = value;
            return candidate &&
                Is.string(candidate.name) && Is.number(candidate.kind) &&
                Range.is(candidate.range) && Range.is(candidate.selectionRange) &&
                (candidate.detail === void 0 || Is.string(candidate.detail)) &&
                (candidate.deprecated === void 0 || Is.boolean(candidate.deprecated)) &&
                (candidate.children === void 0 || Array.isArray(candidate.children));
        }
        DocumentSymbol.is = is;
    })(DocumentSymbol = exports.DocumentSymbol || (exports.DocumentSymbol = {}));
    exports.DocumentSymbol = DocumentSymbol;
    /**
     * A set of predefined code action kinds
     */
    var CodeActionKind;
    (function (CodeActionKind) {
        /**
         * Base kind for quickfix actions: 'quickfix'
         */
        CodeActionKind.QuickFix = 'quickfix';
        /**
         * Base kind for refactoring actions: 'refactor'
         */
        CodeActionKind.Refactor = 'refactor';
        /**
         * Base kind for refactoring extraction actions: 'refactor.extract'
         *
         * Example extract actions:
         *
         * - Extract method
         * - Extract function
         * - Extract variable
         * - Extract interface from class
         * - ...
         */
        CodeActionKind.RefactorExtract = 'refactor.extract';
        /**
         * Base kind for refactoring inline actions: 'refactor.inline'
         *
         * Example inline actions:
         *
         * - Inline function
         * - Inline variable
         * - Inline constant
         * - ...
         */
        CodeActionKind.RefactorInline = 'refactor.inline';
        /**
         * Base kind for refactoring rewrite actions: 'refactor.rewrite'
         *
         * Example rewrite actions:
         *
         * - Convert JavaScript function to class
         * - Add or remove parameter
         * - Encapsulate field
         * - Make method static
         * - Move method to base class
         * - ...
         */
        CodeActionKind.RefactorRewrite = 'refactor.rewrite';
        /**
         * Base kind for source actions: `source`
         *
         * Source code actions apply to the entire file.
         */
        CodeActionKind.Source = 'source';
        /**
         * Base kind for an organize imports source action: `source.organizeImports`
         */
        CodeActionKind.SourceOrganizeImports = 'source.organizeImports';
    })(CodeActionKind = exports.CodeActionKind || (exports.CodeActionKind = {}));
    /**
     * The CodeActionContext namespace provides helper functions to work with
     * [CodeActionContext](#CodeActionContext) literals.
     */
    var CodeActionContext;
    (function (CodeActionContext) {
        /**
         * Creates a new CodeActionContext literal.
         */
        function create(diagnostics, only) {
            var result = { diagnostics: diagnostics };
            if (only !== void 0 && only !== null) {
                result.only = only;
            }
            return result;
        }
        CodeActionContext.create = create;
        /**
         * Checks whether the given literal conforms to the [CodeActionContext](#CodeActionContext) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.typedArray(candidate.diagnostics, Diagnostic.is) && (candidate.only === void 0 || Is.typedArray(candidate.only, Is.string));
        }
        CodeActionContext.is = is;
    })(CodeActionContext = exports.CodeActionContext || (exports.CodeActionContext = {}));
    var CodeAction;
    (function (CodeAction) {
        function create(title, commandOrEdit, kind) {
            var result = { title: title };
            if (Command.is(commandOrEdit)) {
                result.command = commandOrEdit;
            }
            else {
                result.edit = commandOrEdit;
            }
            if (kind !== void null) {
                result.kind = kind;
            }
            return result;
        }
        CodeAction.create = create;
        function is(value) {
            var candidate = value;
            return candidate && Is.string(candidate.title) &&
                (candidate.diagnostics === void 0 || Is.typedArray(candidate.diagnostics, Diagnostic.is)) &&
                (candidate.kind === void 0 || Is.string(candidate.kind)) &&
                (candidate.edit !== void 0 || candidate.command !== void 0) &&
                (candidate.command === void 0 || Command.is(candidate.command)) &&
                (candidate.edit === void 0 || WorkspaceEdit.is(candidate.edit));
        }
        CodeAction.is = is;
    })(CodeAction = exports.CodeAction || (exports.CodeAction = {}));
    /**
     * The CodeLens namespace provides helper functions to work with
     * [CodeLens](#CodeLens) literals.
     */
    var CodeLens;
    (function (CodeLens) {
        /**
         * Creates a new CodeLens literal.
         */
        function create(range, data) {
            var result = { range: range };
            if (Is.defined(data))
                result.data = data;
            return result;
        }
        CodeLens.create = create;
        /**
         * Checks whether the given literal conforms to the [CodeLens](#CodeLens) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Range.is(candidate.range) && (Is.undefined(candidate.command) || Command.is(candidate.command));
        }
        CodeLens.is = is;
    })(CodeLens = exports.CodeLens || (exports.CodeLens = {}));
    /**
     * The FormattingOptions namespace provides helper functions to work with
     * [FormattingOptions](#FormattingOptions) literals.
     */
    var FormattingOptions;
    (function (FormattingOptions) {
        /**
         * Creates a new FormattingOptions literal.
         */
        function create(tabSize, insertSpaces) {
            return { tabSize: tabSize, insertSpaces: insertSpaces };
        }
        FormattingOptions.create = create;
        /**
         * Checks whether the given literal conforms to the [FormattingOptions](#FormattingOptions) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.number(candidate.tabSize) && Is.boolean(candidate.insertSpaces);
        }
        FormattingOptions.is = is;
    })(FormattingOptions = exports.FormattingOptions || (exports.FormattingOptions = {}));
    /**
     * A document link is a range in a text document that links to an internal or external resource, like another
     * text document or a web site.
     */
    var DocumentLink = /** @class */ (function () {
        function DocumentLink() {
        }
        return DocumentLink;
    }());
    exports.DocumentLink = DocumentLink;
    /**
     * The DocumentLink namespace provides helper functions to work with
     * [DocumentLink](#DocumentLink) literals.
     */
    (function (DocumentLink) {
        /**
         * Creates a new DocumentLink literal.
         */
        function create(range, target, data) {
            return { range: range, target: target, data: data };
        }
        DocumentLink.create = create;
        /**
         * Checks whether the given literal conforms to the [DocumentLink](#DocumentLink) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Range.is(candidate.range) && (Is.undefined(candidate.target) || Is.string(candidate.target));
        }
        DocumentLink.is = is;
    })(DocumentLink = exports.DocumentLink || (exports.DocumentLink = {}));
    exports.DocumentLink = DocumentLink;
    /**
     * The SelectionRange namespace provides helper function to work with
     * SelectionRange literals.
     */
    var SelectionRange;
    (function (SelectionRange) {
        /**
         * Creates a new SelectionRange
         * @param range the range.
         * @param parent an optional parent.
         */
        function create(range, parent) {
            return { range: range, parent: parent };
        }
        SelectionRange.create = create;
        function is(value) {
            var candidate = value;
            return candidate !== undefined && Range.is(candidate.range) && (candidate.parent === undefined || SelectionRange.is(candidate.parent));
        }
        SelectionRange.is = is;
    })(SelectionRange = exports.SelectionRange || (exports.SelectionRange = {}));
    exports.EOL = ['\n', '\r\n', '\r'];
    var TextDocument;
    (function (TextDocument) {
        /**
         * Creates a new ITextDocument literal from the given uri and content.
         * @param uri The document's uri.
         * @param languageId  The document's language Id.
         * @param content The document's content.
         */
        function create(uri, languageId, version, content) {
            return new FullTextDocument(uri, languageId, version, content);
        }
        TextDocument.create = create;
        /**
         * Checks whether the given literal conforms to the [ITextDocument](#ITextDocument) interface.
         */
        function is(value) {
            var candidate = value;
            return Is.defined(candidate) && Is.string(candidate.uri) && (Is.undefined(candidate.languageId) || Is.string(candidate.languageId)) && Is.number(candidate.lineCount)
                && Is.func(candidate.getText) && Is.func(candidate.positionAt) && Is.func(candidate.offsetAt) ? true : false;
        }
        TextDocument.is = is;
        function applyEdits(document, edits) {
            var text = document.getText();
            var sortedEdits = mergeSort(edits, function (a, b) {
                var diff = a.range.start.line - b.range.start.line;
                if (diff === 0) {
                    return a.range.start.character - b.range.start.character;
                }
                return diff;
            });
            var lastModifiedOffset = text.length;
            for (var i = sortedEdits.length - 1; i >= 0; i--) {
                var e = sortedEdits[i];
                var startOffset = document.offsetAt(e.range.start);
                var endOffset = document.offsetAt(e.range.end);
                if (endOffset <= lastModifiedOffset) {
                    text = text.substring(0, startOffset) + e.newText + text.substring(endOffset, text.length);
                }
                else {
                    throw new Error('Overlapping edit');
                }
                lastModifiedOffset = startOffset;
            }
            return text;
        }
        TextDocument.applyEdits = applyEdits;
        function mergeSort(data, compare) {
            if (data.length <= 1) {
                // sorted
                return data;
            }
            var p = (data.length / 2) | 0;
            var left = data.slice(0, p);
            var right = data.slice(p);
            mergeSort(left, compare);
            mergeSort(right, compare);
            var leftIdx = 0;
            var rightIdx = 0;
            var i = 0;
            while (leftIdx < left.length && rightIdx < right.length) {
                var ret = compare(left[leftIdx], right[rightIdx]);
                if (ret <= 0) {
                    // smaller_equal -> take left to preserve order
                    data[i++] = left[leftIdx++];
                }
                else {
                    // greater -> take right
                    data[i++] = right[rightIdx++];
                }
            }
            while (leftIdx < left.length) {
                data[i++] = left[leftIdx++];
            }
            while (rightIdx < right.length) {
                data[i++] = right[rightIdx++];
            }
            return data;
        }
    })(TextDocument = exports.TextDocument || (exports.TextDocument = {}));
    /**
     * Represents reasons why a text document is saved.
     */
    var TextDocumentSaveReason;
    (function (TextDocumentSaveReason) {
        /**
         * Manually triggered, e.g. by the user pressing save, by starting debugging,
         * or by an API call.
         */
        TextDocumentSaveReason.Manual = 1;
        /**
         * Automatic after a delay.
         */
        TextDocumentSaveReason.AfterDelay = 2;
        /**
         * When the editor lost focus.
         */
        TextDocumentSaveReason.FocusOut = 3;
    })(TextDocumentSaveReason = exports.TextDocumentSaveReason || (exports.TextDocumentSaveReason = {}));
    var FullTextDocument = /** @class */ (function () {
        function FullTextDocument(uri, languageId, version, content) {
            this._uri = uri;
            this._languageId = languageId;
            this._version = version;
            this._content = content;
            this._lineOffsets = null;
        }
        Object.defineProperty(FullTextDocument.prototype, "uri", {
            get: function () {
                return this._uri;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(FullTextDocument.prototype, "languageId", {
            get: function () {
                return this._languageId;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(FullTextDocument.prototype, "version", {
            get: function () {
                return this._version;
            },
            enumerable: true,
            configurable: true
        });
        FullTextDocument.prototype.getText = function (range) {
            if (range) {
                var start = this.offsetAt(range.start);
                var end = this.offsetAt(range.end);
                return this._content.substring(start, end);
            }
            return this._content;
        };
        FullTextDocument.prototype.update = function (event, version) {
            this._content = event.text;
            this._version = version;
            this._lineOffsets = null;
        };
        FullTextDocument.prototype.getLineOffsets = function () {
            if (this._lineOffsets === null) {
                var lineOffsets = [];
                var text = this._content;
                var isLineStart = true;
                for (var i = 0; i < text.length; i++) {
                    if (isLineStart) {
                        lineOffsets.push(i);
                        isLineStart = false;
                    }
                    var ch = text.charAt(i);
                    isLineStart = (ch === '\r' || ch === '\n');
                    if (ch === '\r' && i + 1 < text.length && text.charAt(i + 1) === '\n') {
                        i++;
                    }
                }
                if (isLineStart && text.length > 0) {
                    lineOffsets.push(text.length);
                }
                this._lineOffsets = lineOffsets;
            }
            return this._lineOffsets;
        };
        FullTextDocument.prototype.positionAt = function (offset) {
            offset = Math.max(Math.min(offset, this._content.length), 0);
            var lineOffsets = this.getLineOffsets();
            var low = 0, high = lineOffsets.length;
            if (high === 0) {
                return Position.create(0, offset);
            }
            while (low < high) {
                var mid = Math.floor((low + high) / 2);
                if (lineOffsets[mid] > offset) {
                    high = mid;
                }
                else {
                    low = mid + 1;
                }
            }
            // low is the least x for which the line offset is larger than the current offset
            // or array.length if no line offset is larger than the current offset
            var line = low - 1;
            return Position.create(line, offset - lineOffsets[line]);
        };
        FullTextDocument.prototype.offsetAt = function (position) {
            var lineOffsets = this.getLineOffsets();
            if (position.line >= lineOffsets.length) {
                return this._content.length;
            }
            else if (position.line < 0) {
                return 0;
            }
            var lineOffset = lineOffsets[position.line];
            var nextLineOffset = (position.line + 1 < lineOffsets.length) ? lineOffsets[position.line + 1] : this._content.length;
            return Math.max(Math.min(lineOffset + position.character, nextLineOffset), lineOffset);
        };
        Object.defineProperty(FullTextDocument.prototype, "lineCount", {
            get: function () {
                return this.getLineOffsets().length;
            },
            enumerable: true,
            configurable: true
        });
        return FullTextDocument;
    }());
    var Is;
    (function (Is) {
        var toString = Object.prototype.toString;
        function defined(value) {
            return typeof value !== 'undefined';
        }
        Is.defined = defined;
        function undefined(value) {
            return typeof value === 'undefined';
        }
        Is.undefined = undefined;
        function boolean(value) {
            return value === true || value === false;
        }
        Is.boolean = boolean;
        function string(value) {
            return toString.call(value) === '[object String]';
        }
        Is.string = string;
        function number(value) {
            return toString.call(value) === '[object Number]';
        }
        Is.number = number;
        function func(value) {
            return toString.call(value) === '[object Function]';
        }
        Is.func = func;
        function objectLiteral(value) {
            // Strictly speaking class instances pass this check as well. Since the LSP
            // doesn't use classes we ignore this for now. If we do we need to add something
            // like this: `Object.getPrototypeOf(Object.getPrototypeOf(x)) === null`
            return value !== null && typeof value === 'object';
        }
        Is.objectLiteral = objectLiteral;
        function typedArray(value, check) {
            return Array.isArray(value) && value.every(check);
        }
        Is.typedArray = typedArray;
    })(Is || (Is = {}));
});
