/// <reference path="./ace-modes.d.ts" />
/// <reference path="./ace-extensions.d.ts" />

export namespace Ace {
  export type NewLineMode = 'auto' | 'unix' | 'windows';

  export interface Anchor extends EventEmitter {
    getPosition(): Position;
    getDocument(): Document;
    setPosition(row: number, column: number, noClip?: boolean): void;
    detach(): void;
    attach(doc: Document): void;
  }

  export interface Document extends EventEmitter {
    setValue(text: string): void;
    getValue(): string;
    createAnchor(row: number, column: number): Anchor;
    getNewLineCharacter(): string;
    setNewLineMode(newLineMode: NewLineMode): void;
    getNewLineMode(): NewLineMode;
    isNewLine(text: string): boolean;
    getLine(row: number): string;
    getLines(firstRow: number, lastRow: number): string[];
    getAllLines(): string[];
    getLength(): number;
    getTextRange(range: Range): string;
    getLinesForRange(range: Range): string[];
    insert(position: Position, text: string): Position;
    insert(position: {row: number, column: number}, text: string): Position;
    insertInLine(position: Position, text: string): Position;
    insertNewLine(position: Point): Point;
    clippedPos(row: number, column: number): Point;
    clonePos(pos: Point): Point;
    pos(row: number, column: number): Point;
    insertFullLines(row: number, lines: string[]): void;
    insertMergedLines(position: Position, lines: string[]): Point;
    remove(range: Range): Position;
    removeInLine(row: number, startColumn: number, endColumn: number): Position;
    removeFullLines(firstRow: number, lastRow: number): string[];
    removeNewLine(row: number): void;
    replace(range: Range, text: string): Position;
    applyDeltas(deltas: Delta[]): void;
    revertDeltas(deltas: Delta[]): void;
    applyDelta(delta: Delta, doNotValidate?: boolean): void;
    revertDelta(delta: Delta): void;
    indexToPosition(index: number, startRow: number): Position;
    positionToIndex(pos: Position, startRow?: number): number;
  }

  export interface FoldLine {
    folds: Fold[];
    range: Range;
    start: Point;
    end: Point;

    shiftRow(shift: number): void;
    addFold(fold: Fold): void;
    containsRow(row: number): boolean;
    walk(callback: Function, endRow?: number, endColumn?: number): void;
    getNextFoldTo(row: number, column: number): null | { fold: Fold, kind: string };
    addRemoveChars(row: number, column: number, len: number): void;
    split(row: number, column: number): FoldLine;
    merge(foldLineNext: FoldLine): void;
    idxToPosition(idx: number): Point;
  }

  export interface Fold {
    range: Range;
    start: Point;
    end: Point;
    foldLine?: FoldLine;
    sameRow: boolean;
    subFolds: Fold[];

    setFoldLine(foldLine: FoldLine): void;
    clone(): Fold;
    addSubFold(fold: Fold): Fold;
    restoreRange(range: Range): void;
  }

  interface Folding {
    getFoldAt(row: number, column: number, side: number): Fold;
    getFoldsInRange(range: Range): Fold[];
    getFoldsInRangeList(ranges: Range[]): Fold[];
    getAllFolds(): Fold[];
    getFoldStringAt(row: number,
      column: number,
      trim?: number,
      foldLine?: FoldLine): string | null;
    getFoldLine(docRow: number, startFoldLine?: FoldLine): FoldLine | null;
    getNextFoldLine(docRow: number, startFoldLine?: FoldLine): FoldLine | null;
    getFoldedRowCount(first: number, last: number): number;
    addFold(placeholder: string | Fold, range?: Range): Fold;
    addFolds(folds: Fold[]): void;
    removeFold(fold: Fold): void;
    removeFolds(folds: Fold[]): void;
    expandFold(fold: Fold): void;
    expandFolds(folds: Fold[]): void;
    unfold(location: null | number | Point | Range,
      expandInner?: boolean): Fold[] | undefined;
    isRowFolded(docRow: number, startFoldRow?: FoldLine): boolean;
    getFoldRowEnd(docRow: number, startFoldRow?: FoldLine): number;
    getFoldRowStart(docRow: number, startFoldRow?: FoldLine): number;
    getFoldDisplayLine(foldLine: FoldLine,
      endRow: number | null,
      endColumn: number | null,
      startRow: number | null,
      startColumn: number | null): string;
    getDisplayLine(row: number,
      endColumn: number | null,
      startRow: number | null,
      startColumn: number | null): string;
    toggleFold(tryToUnfold?: boolean): void;
    getCommentFoldRange(row: number,
      column: number,
      dir: number): Range | undefined;
    foldAll(startRow?: number, endRow?: number, depth?: number): void;
    setFoldStyle(style: string): void;
    getParentFoldRangeData(row: number, ignoreCurrent?: boolean): {
      range?: Range,
      firstRange: Range
    };
    toggleFoldWidget(toggleParent?: boolean): void;
    updateFoldWidgets(delta: Delta): void;
  }

  export interface Range {
    start: Point;
    end: Point;

    isEqual(range: Range): boolean;
    toString(): string;
    contains(row: number, column: number): boolean;
    compareRange(range: Range): number;
    comparePoint(p: Point): number;
    containsRange(range: Range): boolean;
    intersects(range: Range): boolean;
    isEnd(row: number, column: number): boolean;
    isStart(row: number, column: number): boolean;
    setStart(row: number, column: number): void;
    setEnd(row: number, column: number): void;
    inside(row: number, column: number): boolean;
    insideStart(row: number, column: number): boolean;
    insideEnd(row: number, column: number): boolean;
    compare(row: number, column: number): number;
    compareStart(row: number, column: number): number;
    compareEnd(row: number, column: number): number;
    compareInside(row: number, column: number): number;
    clipRows(firstRow: number, lastRow: number): Range;
    extend(row: number, column: number): Range;
    isEmpty(): boolean;
    isMultiLine(): boolean;
    clone(): Range;
    collapseRows(): Range;
    toScreenRange(session: EditSession): Range;
    moveBy(row: number, column: number): void;
  }

  export interface EditSessionOptions {
    wrap: "off" | "free" | "printmargin" | boolean | number;
    wrapMethod: 'code' | 'text' | 'auto';
    indentedSoftWrap: boolean;
    firstLineNumber: number;
    useWorker: boolean;
    useSoftTabs: boolean;
    tabSize: number;
    navigateWithinSoftTabs: boolean;
    foldStyle: 'markbegin' | 'markbeginend' | 'manual';
    overwrite: boolean;
    newLineMode: NewLineMode;
    mode: string;
  }

  export interface VirtualRendererOptions {
    animatedScroll: boolean;
    showInvisibles: boolean;
    showPrintMargin: boolean;
    printMarginColumn: number;
    printMargin: boolean | number;
    showGutter: boolean;
    fadeFoldWidgets: boolean;
    showFoldWidgets: boolean;
    showLineNumbers: boolean;
    displayIndentGuides: boolean;
    highlightIndentGuides: boolean;
    highlightGutterLine: boolean;
    hScrollBarAlwaysVisible: boolean;
    vScrollBarAlwaysVisible: boolean;
    fontSize: number;
    fontFamily: string;
    maxLines: number;
    minLines: number;
    scrollPastEnd: number;
    fixedWidthGutter: boolean;
    customScrollbar: boolean;
    theme: string;
    hasCssTransforms: boolean;
    maxPixelHeight: number;
    useSvgGutterIcons: boolean;
    showFoldedAnnotations: boolean;
  }

  export interface MouseHandlerOptions {
    scrollSpeed: number;
    dragDelay: number;
    dragEnabled: boolean;
    focusTimeout: number;
    tooltipFollowsMouse: boolean;
  }

  export interface EditorOptions extends EditSessionOptions,
    MouseHandlerOptions,
    VirtualRendererOptions {
    selectionStyle: string;
    highlightActiveLine: boolean;
    highlightSelectedWord: boolean;
    readOnly: boolean;
    copyWithEmptySelection: boolean;
    cursorStyle: 'ace' | 'slim' | 'smooth' | 'wide';
    mergeUndoDeltas: true | false | 'always';
    behavioursEnabled: boolean;
    wrapBehavioursEnabled: boolean;
    enableAutoIndent: boolean;
    enableBasicAutocompletion: boolean | Completer[];
    enableLiveAutocompletion: boolean | Completer[];
    liveAutocompletionDelay: number;
    liveAutocompletionThreshold: number;
    enableSnippets: boolean;
    autoScrollEditorIntoView: boolean;
    keyboardHandler: string | null;
    placeholder: string;
    value: string;
    session: EditSession;
    relativeLineNumbers: boolean;
    enableMultiselect: boolean;
    enableKeyboardAccessibility: boolean;
    textInputAriaLabel: string;
    enableMobileMenu: boolean;
  }

  export interface SearchOptions {
    needle: string | RegExp;
    preventScroll: boolean;
    backwards: boolean;
    start: Range;
    skipCurrent: boolean;
    range: Range;
    preserveCase: boolean;
    regExp: boolean;
    wholeWord: boolean;
    caseSensitive: boolean;
    wrap: boolean;
  }

  export interface EventEmitter {
    once(name: string, callback: Function): void;
    setDefaultHandler(name: string, callback: Function): void;
    removeDefaultHandler(name: string, callback: Function): void;
    on(name: string, callback: Function, capturing?: boolean): void;
    addEventListener(name: string, callback: Function, capturing?: boolean): void;
    off(name: string, callback: Function): void;
    removeListener(name: string, callback: Function): void;
    removeEventListener(name: string, callback: Function): void;
    removeAllListeners(name?: string): void;
  }

  export interface Point {
    row: number;
    column: number;
  }

  export interface Delta {
    action: 'insert' | 'remove';
    start: Point;
    end: Point;
    lines: string[];
  }

  export interface Annotation {
    row?: number;
    column?: number;
    text: string;
    type: string;
  }

  export interface MarkerGroupItem {
    range: Range;
    className: string;
  }

  export class MarkerGroup {
    constructor(session: EditSession);
    setMarkers(markers: MarkerGroupItem[]): void;
    getMarkerAtPosition(pos: Position): MarkerGroupItem;
  }


  export interface Command {
    name?: string;
    bindKey?: string | { mac?: string, win?: string };
    readOnly?: boolean;
    exec: (editor: Editor, args?: any) => void;
  }

  export type CommandLike = Command | ((editor: Editor) => void);

  export interface KeyboardHandler {
    handleKeyboard: Function;
  }

  export interface MarkerLike {
    range?: Range;
    type: string;
    renderer?: MarkerRenderer;
    clazz: string;
    inFront: boolean;
    id: number;
    update?: (html: string[],
      // TODO maybe define Marker class
      marker: any,
      session: EditSession,
      config: any) => void;
  }

  export type MarkerRenderer = (html: string[],
    range: Range,
    left: number,
    top: number,
    config: any) => void;

  export interface Token {
    type: string;
    value: string;
    index?: number;
    start?: number;
  }

  interface BaseCompletion {
    score?: number;
    meta?: string;
    caption?: string;
    docHTML?: string;
    docText?: string;
    completerId?: string;
  }

  export interface SnippetCompletion extends BaseCompletion {
    snippet: string;
  }

  export interface ValueCompletion extends BaseCompletion {
    value: string;
  }

  export type Completion = SnippetCompletion | ValueCompletion

  export interface Tokenizer {
    removeCapturingGroups(src: string): string;
    createSplitterRegexp(src: string, flag?: string): RegExp;
    getLineTokens(line: string, startState: string | string[]): Token[];
  }

  interface TokenIterator {
    getCurrentToken(): Token;
    getCurrentTokenColumn(): number;
    getCurrentTokenRow(): number;
    getCurrentTokenPosition(): Point;
    getCurrentTokenRange(): Range;
    stepBackward(): Token;
    stepForward(): Token;
  }

  export type HighlightRule = {defaultToken: string} | {include: string} | {todo: string} | {
    token: string | string[] | ((value: string) => string);
    regex: string | RegExp;
    next?: string;
    push?: string;
    comment?: string;
    caseInsensitive?: boolean;
  }

  export type HighlightRulesMap = Record<string, HighlightRule[]>;

  export type KeywordMapper = (keyword: string) => string;

  export interface HighlightRules {
    addRules(rules: HighlightRulesMap, prefix?: string): void;
    getRules(): HighlightRulesMap;
    embedRules(rules: (new () => HighlightRules) | HighlightRulesMap, prefix: string, escapeRules?: boolean, append?: boolean): void;
    getEmbeds(): string[];
    normalizeRules(): void;
    createKeywordMapper(map: Record<string, string>, defaultToken?: string, ignoreCase?: boolean, splitChar?: string): KeywordMapper;
  }

  export interface FoldMode {
    foldingStartMarker: RegExp;
    foldingStopMarker?: RegExp;
    getFoldWidget(session: EditSession, foldStyle: string, row: number): string;
    getFoldWidgetRange(session: EditSession, foldStyle: string, row: number, forceMultiline?: boolean): Range | undefined;
    indentationBlock(session: EditSession, row: number, column?: number): Range | undefined;
    openingBracketBlock(session: EditSession, bracket: string, row: number, column: number, typeRe?: RegExp): Range | undefined;
    closingBracketBlock(session: EditSession, bracket: string, row: number, column: number, typeRe?: RegExp): Range | undefined;
  }

  type BehaviorAction = (state: string, action: string, editor: Editor, session: EditSession, text: string) => {text: string, selection: number[]} | Range | undefined;
  type BehaviorMap = Record<string, Record<string, BehaviorAction>>;

  export interface Behaviour {
    add(name: string, action: string, callback: BehaviorAction): void;
    addBehaviours(behaviours: BehaviorMap): void;
    remove(name: string): void;
    inherit(mode: SyntaxMode | (new () => SyntaxMode), filter: string[]): void;
    getBehaviours(filter: string[]): BehaviorMap;
  }

  export interface Outdent {
    checkOutdent(line: string, input: string): boolean;
    autoOutdent(doc: Document, row: number): number | undefined;
  }

  export interface SyntaxMode {
    HighlightRules: new () => HighlightRules;
    foldingRules?: FoldMode;
    $behaviour?: Behaviour;
    $defaultBehaviour?: Behaviour;
    lineCommentStart?: string;
    getTokenizer(): Tokenizer;
    toggleCommentLines(state: any,
      session: EditSession,
      startRow: number,
      endRow: number): void;
    toggleBlockComment(state: any,
      session: EditSession,
      range: Range,
      cursor: Point): void;
    getNextLineIndent(state: any, line: string, tab: string): string;
    checkOutdent(state: any, line: string, input: string): boolean;
    autoOutdent(state: any, doc: Document, row: number): void;
    // TODO implement WorkerClient types
    createWorker(session: EditSession): any;
    createModeDelegates(mapping: { [key: string]: string }): void;
    transformAction: BehaviorAction;
    getKeywords(append?: boolean): Array<string | RegExp>;
    getCompletions(state: string,
      session: EditSession,
      pos: Point,
      prefix: string): Completion[];
  }

  type AfterLoadCallback = (err: Error | null, module: unknown) => void;
  type LoaderFunction = (moduleName: string, afterLoad: AfterLoadCallback) => void;

  export interface Config {
    get(key: string): any;
    set(key: string, value: any): void;
    all(): { [key: string]: any };
    moduleUrl(name: string, component?: string): string;
    setModuleUrl(name: string, subst: string): string;
    setLoader(cb: LoaderFunction): void;
    setModuleLoader(name: string, onLoad: Function): void;
    loadModule(moduleName: string | [string, string],
      onLoad?: (module: any) => void): void;
    init(packaged: any): any;
    defineOptions(obj: any, path: string, options: { [key: string]: any }): Config;
    resetOptions(obj: any): void;
    setDefaultValue(path: string, name: string, value: any): void;
    setDefaultValues(path: string, optionHash: { [key: string]: any }): void;
  }

  export interface OptionsProvider {
    setOptions(optList: { [key: string]: any }): void;
    getOptions(optionNames?: string[] | { [key: string]: any }): { [key: string]: any };
    setOption(name: string, value: any): void;
    getOption(name: string): any;
  }

  export interface UndoManager {
    addSession(session: EditSession): void;
    add(delta: Delta, allowMerge: boolean, session: EditSession): void;
    addSelection(selection: string, rev?: number): void;
    startNewGroup(): void;
    markIgnored(from: number, to?: number): void;
    getSelection(rev: number, after?: boolean): { value: string, rev: number };
    getRevision(): number;
    getDeltas(from: number, to?: number): Delta[];
    undo(session: EditSession, dontSelect?: boolean): void;
    redo(session: EditSession, dontSelect?: boolean): void;
    reset(): void;
    canUndo(): boolean;
    canRedo(): boolean;
    bookmark(rev?: number): void;
    isAtBookmark(): boolean;
    hasUndo(): boolean;
    hasRedo(): boolean;
    isClean(): boolean;
    markClean(rev?: number): void;
    toJSON(): object;
    fromJSON(json: object): void;
  }

  export interface Position {
    row: number,
    column: number
  }

  export interface EditSession extends EventEmitter, OptionsProvider, Folding {
    selection: Selection;

    // TODO: define BackgroundTokenizer

    on(name: 'changeFold',
       callback: (obj: { data: Fold, action: string }) => void): Function;
    on(name: 'changeScrollLeft', callback: (scrollLeft: number) => void): Function;
    on(name: 'changeScrollTop', callback: (scrollTop: number) => void): Function;
    on(name: 'tokenizerUpdate',
       callback: (obj: { data: { first: number, last: number } }) => void): Function;
    on(name: 'change', callback: () => void): Function;
    on(name: 'changeTabSize', callback: () => void): Function;


    setOption<T extends keyof EditSessionOptions>(name: T, value: EditSessionOptions[T]): void;
    getOption<T extends keyof EditSessionOptions>(name: T): EditSessionOptions[T];

    readonly doc: Document;

    setDocument(doc: Document): void;
    getDocument(): Document;
    resetCaches(): void;
    setValue(text: string): void;
    getValue(): string;
    getSelection(): Selection;
    getState(row: number): string;
    getTokens(row: number): Token[];
    getTokenAt(row: number, column: number): Token | null;
    setUndoManager(undoManager: UndoManager): void;
    markUndoGroup(): void;
    getUndoManager(): UndoManager;
    getTabString(): string;
    setUseSoftTabs(val: boolean): void;
    getUseSoftTabs(): boolean;
    setTabSize(tabSize: number): void;
    getTabSize(): number;
    isTabStop(position: Position): boolean;
    setNavigateWithinSoftTabs(navigateWithinSoftTabs: boolean): void;
    getNavigateWithinSoftTabs(): boolean;
    setOverwrite(overwrite: boolean): void;
    getOverwrite(): boolean;
    toggleOverwrite(): void;
    addGutterDecoration(row: number, className: string): void;
    removeGutterDecoration(row: number, className: string): void;
    getBreakpoints(): string[];
    setBreakpoints(rows: number[]): void;
    clearBreakpoints(): void;
    setBreakpoint(row: number, className: string): void;
    clearBreakpoint(row: number): void;
    addMarker(range: Range,
      className: string,
      type: "fullLine" | "screenLine" | "text" | MarkerRenderer,
      inFront?: boolean): number;
    addDynamicMarker(marker: MarkerLike, inFront: boolean): MarkerLike;
    removeMarker(markerId: number): void;
    getMarkers(inFront?: boolean): {[id: number]: MarkerLike};
    highlight(re: RegExp): void;
    highlightLines(startRow: number,
      endRow: number,
      className: string,
      inFront?: boolean): Range;
    setAnnotations(annotations: Annotation[]): void;
    getAnnotations(): Annotation[];
    clearAnnotations(): void;
    getWordRange(row: number, column: number): Range;
    getAWordRange(row: number, column: number): Range;
    setNewLineMode(newLineMode: NewLineMode): void;
    getNewLineMode(): NewLineMode;
    setUseWorker(useWorker: boolean): void;
    getUseWorker(): boolean;
    setMode(mode: string | SyntaxMode, callback?: () => void): void;
    getMode(): SyntaxMode;
    setScrollTop(scrollTop: number): void;
    getScrollTop(): number;
    setScrollLeft(scrollLeft: number): void;
    getScrollLeft(): number;
    getScreenWidth(): number;
    getLineWidgetMaxWidth(): number;
    getLine(row: number): string;
    getLines(firstRow: number, lastRow: number): string[];
    getLength(): number;
    getTextRange(range: Range): string;
    insert(position: Position, text: string): void;
    remove(range: Range): void;
    removeFullLines(firstRow: number, lastRow: number): void;
    undoChanges(deltas: Delta[], dontSelect?: boolean): void;
    redoChanges(deltas: Delta[], dontSelect?: boolean): void;
    setUndoSelect(enable: boolean): void;
    replace(range: Range, text: string): void;
    moveText(fromRange: Range, toPosition: Position, copy?: boolean): void;
    indentRows(startRow: number, endRow: number, indentString: string): void;
    outdentRows(range: Range): void;
    moveLinesUp(firstRow: number, lastRow: number): void;
    moveLinesDown(firstRow: number, lastRow: number): void;
    duplicateLines(firstRow: number, lastRow: number): void;
    setUseWrapMode(useWrapMode: boolean): void;
    getUseWrapMode(): boolean;
    setWrapLimitRange(min: number, max: number): void;
    adjustWrapLimit(desiredLimit: number): boolean;
    getWrapLimit(): number;
    setWrapLimit(limit: number): void;
    getWrapLimitRange(): { min: number, max: number };
    getRowLineCount(row: number): number;
    getRowWrapIndent(screenRow: number): number;
    getScreenLastRowColumn(screenRow: number): number;
    getDocumentLastRowColumn(docRow: number, docColumn: number): number;
    getdocumentLastRowColumnPosition(docRow: number, docColumn: number): Position;
    getRowSplitData(row: number): string | undefined;
    getScreenTabSize(screenColumn: number): number;
    screenToDocumentRow(screenRow: number, screenColumn: number): number;
    screenToDocumentColumn(screenRow: number, screenColumn: number): number;
    screenToDocumentPosition(screenRow: number,
      screenColumn: number,
      offsetX?: number): Position;
    documentToScreenPosition(docRow: number, docColumn: number): Position;
    documentToScreenPosition(position: Position): Position;
    documentToScreenColumn(row: number, docColumn: number): number;
    documentToScreenRow(docRow: number, docColumn: number): number;
    getScreenLength(): number;
    getPrecedingCharacter(): string;
    toJSON(): Object;
    destroy(): void;
  }

  export interface KeyBinding {
    setDefaultHandler(handler: KeyboardHandler): void;
    setKeyboardHandler(handler: KeyboardHandler): void;
    addKeyboardHandler(handler: KeyboardHandler, pos?: number): void;
    removeKeyboardHandler(handler: KeyboardHandler): boolean;
    getKeyboardHandler(): KeyboardHandler;
    getStatusText(): string;
    onCommandKey(e: any, hashId: number, keyCode: number): boolean;
    onTextInput(text: string): boolean;
  }

  interface CommandMap {
    [name: string]: Command;
  }

  type execEventHandler = (obj: {
    editor: Editor,
    command: Command,
    args: any[]
  }) => void;

  export interface CommandManager extends EventEmitter {
    byName: CommandMap,
    commands: CommandMap,
    on(name: 'exec', callback: execEventHandler): Function;
    on(name: 'afterExec', callback: execEventHandler): Function;
    once(name: string, callback: Function): void;
    setDefaultHandler(name: string, callback: Function): void;
    removeDefaultHandler(name: string, callback: Function): void;
    on(name: string, callback: Function, capturing?: boolean): void;
    addEventListener(name: string, callback: Function, capturing?: boolean): void;
    off(name: string, callback: Function): void;
    removeListener(name: string, callback: Function): void;
    removeEventListener(name: string, callback: Function): void;

    exec(command: string | string[] | Command, editor: Editor, args: any): boolean;
    canExecute(command: string | Command, editor: Editor): boolean;
    toggleRecording(editor: Editor): void;
    replay(editor: Editor): void;
    addCommand(command: Command): void;
    addCommands(command: Command[]): void;
    removeCommand(command: Command | string, keepCommand?: boolean): void;
    removeCommands(command: Command[]): void;
    bindKey(key: string | { mac?: string, win?: string},
            command: CommandLike,
            position?: number): void;
    bindKeys(keys: {[s: string]: Function}): void;
    parseKeys(keyPart: string): {key: string, hashId: number};
    findKeyCommand(hashId: number, keyString: string): string | undefined;
    handleKeyboard(data: {}, hashId: number, keyString: string, keyCode: string | number): void | {command: string};
    getStatusText(editor: Editor, data: {}): string;
  }

  export interface VirtualRenderer extends OptionsProvider, EventEmitter {
    readonly container: HTMLElement;
    readonly scroller: HTMLElement;
    readonly content: HTMLElement;
    readonly characterWidth: number;
    readonly lineHeight: number;
    readonly scrollLeft: number;
    readonly scrollTop: number;
    readonly $padding: number;

    setOption<T extends keyof VirtualRendererOptions>(name: T, value: VirtualRendererOptions[T]): void;
    getOption<T extends keyof VirtualRendererOptions>(name: T): VirtualRendererOptions[T];

    setSession(session: EditSession): void;
    updateLines(firstRow: number, lastRow: number, force?: boolean): void;
    updateText(): void;
    updateFull(force?: boolean): void;
    updateFontSize(): void;
    adjustWrapLimit(): boolean;
    setAnimatedScroll(shouldAnimate: boolean): void;
    getAnimatedScroll(): boolean;
    setShowInvisibles(showInvisibles: boolean): void;
    getShowInvisibles(): boolean;
    setDisplayIndentGuides(display: boolean): void;
    getDisplayIndentGuides(): boolean;
    setShowPrintMargin(showPrintMargin: boolean): void;
    getShowPrintMargin(): boolean;
    setPrintMarginColumn(showPrintMargin: boolean): void;
    getPrintMarginColumn(): boolean;
    setShowGutter(show: boolean): void;
    getShowGutter(): boolean;
    setFadeFoldWidgets(show: boolean): void;
    getFadeFoldWidgets(): boolean;
    setHighlightGutterLine(shouldHighlight: boolean): void;
    getHighlightGutterLine(): boolean;
    getContainerElement(): HTMLElement;
    getMouseEventTarget(): HTMLElement;
    getTextAreaContainer(): HTMLElement;
    getFirstVisibleRow(): number;
    getFirstFullyVisibleRow(): number;
    getLastFullyVisibleRow(): number;
    getLastVisibleRow(): number;
    setPadding(padding: number): void;
    setScrollMargin(top: number,
      bottom: number,
      left: number,
      right: number): void;
    setHScrollBarAlwaysVisible(alwaysVisible: boolean): void;
    getHScrollBarAlwaysVisible(): boolean;
    setVScrollBarAlwaysVisible(alwaysVisible: boolean): void;
    getVScrollBarAlwaysVisible(): boolean;
    freeze(): void;
    unfreeze(): void;
    updateFrontMarkers(): void;
    updateBackMarkers(): void;
    updateBreakpoints(): void;
    setAnnotations(annotations: Annotation[]): void;
    updateCursor(): void;
    hideCursor(): void;
    showCursor(): void;
    scrollSelectionIntoView(anchor: Position,
      lead: Position,
      offset?: number): void;
    scrollCursorIntoView(cursor: Position, offset?: number): void;
    getScrollTop(): number;
    getScrollLeft(): number;
    getScrollTopRow(): number;
    getScrollBottomRow(): number;
    scrollToRow(row: number): void;
    alignCursor(cursor: Position | number, alignment: number): number;
    scrollToLine(line: number,
      center: boolean,
      animate: boolean,
      callback: () => void): void;
    animateScrolling(fromValue: number, callback: () => void): void;
    scrollToY(scrollTop: number): void;
    scrollToX(scrollLeft: number): void;
    scrollTo(x: number, y: number): void;
    scrollBy(deltaX: number, deltaY: number): void;
    isScrollableBy(deltaX: number, deltaY: number): boolean;
    textToScreenCoordinates(row: number, column: number): { pageX: number, pageY: number};
    pixelToScreenCoordinates(x: number, y: number): {row: number, column: number, side: 1|-1, offsetX: number};
    visualizeFocus(): void;
    visualizeBlur(): void;
    showComposition(position: number): void;
    setCompositionText(text: string): void;
    hideComposition(): void;
    setGhostText(text: string, position: Point): void;
    removeGhostText(): void;
    setTheme(theme: string, callback?: () => void): void;
    getTheme(): string;
    setStyle(style: string, include?: boolean): void;
    unsetStyle(style: string): void;
    setCursorStyle(style: string): void;
    setMouseCursor(cursorStyle: string): void;
    attachToShadowRoot(): void;
    destroy(): void;
  }


  export interface Selection extends EventEmitter {
    moveCursorWordLeft(): void;
    moveCursorWordRight(): void;
    fromOrientedRange(range: Range): void;
    setSelectionRange(match: any): void;
    getAllRanges(): Range[];
    addRange(range: Range): void;
    isEmpty(): boolean;
    isMultiLine(): boolean;
    setCursor(row: number, column: number): void;
    setAnchor(row: number, column: number): void;
    getAnchor(): Position;
    getCursor(): Position;
    isBackwards(): boolean;
    getRange(): Range;
    clearSelection(): void;
    selectAll(): void;
    setRange(range: Range, reverse?: boolean): void;
    selectTo(row: number, column: number): void;
    selectToPosition(pos: any): void;
    selectUp(): void;
    selectDown(): void;
    selectRight(): void;
    selectLeft(): void;
    selectLineStart(): void;
    selectLineEnd(): void;
    selectFileEnd(): void;
    selectFileStart(): void;
    selectWordRight(): void;
    selectWordLeft(): void;
    getWordRange(): void;
    selectWord(): void;
    selectAWord(): void;
    selectLine(): void;
    moveCursorUp(): void;
    moveCursorDown(): void;
    moveCursorLeft(): void;
    moveCursorRight(): void;
    moveCursorLineStart(): void;
    moveCursorLineEnd(): void;
    moveCursorFileEnd(): void;
    moveCursorFileStart(): void;
    moveCursorLongWordRight(): void;
    moveCursorLongWordLeft(): void;
    moveCursorBy(rows: number, chars: number): void;
    moveCursorToPosition(position: any): void;
    moveCursorTo(row: number, column: number, keepDesiredColumn?: boolean): void;
    moveCursorToScreen(row: number, column: number, keepDesiredColumn: boolean): void;

    toJSON(): SavedSelection | SavedSelection[];
    fromJSON(selection: SavedSelection | SavedSelection[]): void;
  }
  interface SavedSelection {
    start: Point;
    end: Point;
    isBackwards: boolean;
  }

  var Selection: {
    new(session: EditSession): Selection;
  }

  export interface TextInput {
    resetSelection(): void;
    setAriaOption(activeDescendant: string, role: string): void;
  }

  export interface Editor extends OptionsProvider, EventEmitter {
    container: HTMLElement;
    renderer: VirtualRenderer;
    id: string;
    commands: CommandManager;
    keyBinding: KeyBinding;
    session: EditSession;
    selection: Selection;
    textInput: TextInput;

    on(name: 'blur', callback: (e: Event) => void): void;
    on(name: 'input', callback: () => void): void;
    on(name: 'change', callback: (delta: Delta) => void): void;
    on(name: 'changeSelectionStyle', callback: (obj: { data: string }) => void): void;
    on(name: 'changeSession',
       callback: (obj: { session: EditSession, oldSession: EditSession }) => void): void;
    on(name: 'copy', callback: (obj: { text: string }) => void): void;
    on(name: 'focus', callback: (e: Event) => void): void;
    on(name: 'paste', callback: (obj: { text: string }) => void): void;
    on(name: 'mousemove', callback: (e: any) => void): void;
    on(name: 'mouseup', callback: (e: any) => void): void;
    on(name: 'mousewheel', callback: (e: any) => void): void;
    on(name: 'click', callback: (e: any) => void): void;
    on(name: 'guttermousedown', callback: (e: any) => void): void;
    on(name: 'gutterkeydown', callback: (e: any) => void): void;

    onPaste(text: string, event: any): void;

    setOption<T extends keyof EditorOptions>(name: T, value: EditorOptions[T]): void;
    getOption<T extends keyof EditorOptions>(name: T): EditorOptions[T];

    setKeyboardHandler(keyboardHandler: string, callback?: () => void): void;
    setKeyboardHandler(keyboardHandler: KeyboardHandler|null): void;
    getKeyboardHandler(): string;
    setSession(session: EditSession | undefined): void;
    getSession(): EditSession;
    setValue(val: string, cursorPos?: number): string;
    getValue(): string;
    getSelection(): Selection;
    resize(force?: boolean): void;
    setTheme(theme: string, callback?: () => void): void;
    getTheme(): string;
    setStyle(style: string): void;
    unsetStyle(style: string): void;
    getFontSize(): string;
    setFontSize(size: number|string): void;
    focus(): void;
    isFocused(): boolean;
    blur(): void;
    getSelectedText(): string;
    getCopyText(): string;
    execCommand(command: string | string[], args?: any): boolean;
    insert(text: string, pasted?: boolean): void;
    setOverwrite(overwrite: boolean): void;
    getOverwrite(): boolean;
    toggleOverwrite(): void;
    setScrollSpeed(speed: number): void;
    getScrollSpeed(): number;
    setDragDelay(dragDelay: number): void;
    getDragDelay(): number;
    setSelectionStyle(val: string): void;
    getSelectionStyle(): string;
    setHighlightActiveLine(shouldHighlight: boolean): void;
    getHighlightActiveLine(): boolean;
    setHighlightGutterLine(shouldHighlight: boolean): void;
    getHighlightGutterLine(): boolean;
    setHighlightSelectedWord(shouldHighlight: boolean): void;
    getHighlightSelectedWord(): boolean;
    setAnimatedScroll(shouldAnimate: boolean): void;
    getAnimatedScroll(): boolean;
    setShowInvisibles(showInvisibles: boolean): void;
    getShowInvisibles(): boolean;
    setDisplayIndentGuides(display: boolean): void;
    getDisplayIndentGuides(): boolean;
    setShowPrintMargin(showPrintMargin: boolean): void;
    getShowPrintMargin(): boolean;
    setPrintMarginColumn(showPrintMargin: number): void;
    getPrintMarginColumn(): number;
    setReadOnly(readOnly: boolean): void;
    getReadOnly(): boolean;
    setBehavioursEnabled(enabled: boolean): void;
    getBehavioursEnabled(): boolean;
    setWrapBehavioursEnabled(enabled: boolean): void;
    getWrapBehavioursEnabled(): boolean;
    setShowFoldWidgets(show: boolean): void;
    getShowFoldWidgets(): boolean;
    setFadeFoldWidgets(fade: boolean): void;
    getFadeFoldWidgets(): boolean;
    remove(dir?: 'left' | 'right'): void;
    removeWordRight(): void;
    removeWordLeft(): void;
    removeLineToEnd(): void;
    splitLine(): void;
    setGhostText(text: string, position: Point): void;
    removeGhostText(): void;
    transposeLetters(): void;
    toLowerCase(): void;
    toUpperCase(): void;
    indent(): void;
    blockIndent(): void;
    blockOutdent(): void;
    sortLines(): void;
    toggleCommentLines(): void;
    toggleBlockComment(): void;
    modifyNumber(amount: number): void;
    removeLines(): void;
    duplicateSelection(): void;
    moveLinesDown(): void;
    moveLinesUp(): void;
    moveText(range: Range, toPosition: Point, copy?: boolean): Range;
    copyLinesUp(): void;
    copyLinesDown(): void;
    getFirstVisibleRow(): number;
    getLastVisibleRow(): number;
    isRowVisible(row: number): boolean;
    isRowFullyVisible(row: number): boolean;
    selectPageDown(): void;
    selectPageUp(): void;
    gotoPageDown(): void;
    gotoPageUp(): void;
    scrollPageDown(): void;
    scrollPageUp(): void;
    scrollToRow(row: number): void;
    scrollToLine(line: number, center: boolean, animate: boolean, callback: () => void): void;
    centerSelection(): void;
    getCursorPosition(): Point;
    getCursorPositionScreen(): Point;
    getSelectionRange(): Range;
    selectAll(): void;
    clearSelection(): void;
    moveCursorTo(row: number, column: number): void;
    moveCursorToPosition(pos: Point): void;
    jumpToMatching(select: boolean, expand: boolean): void;
    gotoLine(lineNumber: number, column: number, animate: boolean): void;
    navigateTo(row: number, column: number): void;
    navigateUp(times?: number): void;
    navigateDown(times?: number): void;
    navigateLeft(times?: number): void;
    navigateRight(times?: number): void;
    navigateLineStart(): void;
    navigateLineEnd(): void;
    navigateFileEnd(): void;
    navigateFileStart(): void;
    navigateWordRight(): void;
    navigateWordLeft(): void;
    replace(replacement: string, options?: Partial<SearchOptions>): number;
    replaceAll(replacement: string, options?: Partial<SearchOptions>): number;
    getLastSearchOptions(): Partial<SearchOptions>;
    find(needle: string | RegExp, options?: Partial<SearchOptions>, animate?: boolean): Ace.Range | undefined;
    findNext(options?: Partial<SearchOptions>, animate?: boolean): void;
    findPrevious(options?: Partial<SearchOptions>, animate?: boolean): void;
    findAll(needle: string | RegExp, options?: Partial<SearchOptions>, additive?: boolean): number;
    undo(): void;
    redo(): void;
    destroy(): void;
    setAutoScrollEditorIntoView(enable: boolean): void;
    completers: Completer[];
  }

  type CompleterCallback = (error: any, completions: Completion[]) => void;

  interface Completer {
    identifierRegexps?: Array<RegExp>,
    getCompletions(editor: Editor,
      session: EditSession,
      position: Point,
      prefix: string,
      callback: CompleterCallback): void;
    getDocTooltip?(item: Completion): undefined | string | Completion;
    onSeen?: (editor: Ace.Editor, completion: Completion) => void;
    onInsert?: (editor: Ace.Editor, completion: Completion) => void;
    cancel?(): void;
    id?: string;
    triggerCharacters?: string[];
    hideInlinePreview?: boolean;
  }

  export class AceInline {
    show(editor: Editor, completion: Completion, prefix: string): void;
    isOpen(): void;
    hide(): void;
    destroy(): void;
  }

  interface CompletionOptions {
    matches?: Completion[];
  }

  type CompletionProviderOptions = {
    exactMatch?: boolean;
    ignoreCaption?: boolean;
  }

  type CompletionRecord = {
    all: Completion[];
    filtered: Completion[];
    filterText: string;
  } | CompletionProviderOptions

  type GatherCompletionRecord = {
    prefix: string;
    matches: Completion[];
    finished: boolean;
  }

  type CompletionCallbackFunction = (err: Error | undefined, data: GatherCompletionRecord) => void;
  type CompletionProviderCallback = (err: Error | undefined, completions: CompletionRecord, finished: boolean) => void;

  export class CompletionProvider {
    insertByIndex(editor: Editor, index: number, options: CompletionProviderOptions): boolean;
    insertMatch(editor: Editor, data: Completion, options: CompletionProviderOptions): boolean;
    completions: CompletionRecord;
    gatherCompletions(editor: Editor, callback: CompletionCallbackFunction): boolean;
    provideCompletions(editor: Editor, options: CompletionProviderOptions, callback: CompletionProviderCallback): void;
    detach(): void;
  }

  export class Autocomplete {
    constructor();
    autoInsert?: boolean;
    autoSelect?: boolean;
    autoShown?: boolean;
    exactMatch?: boolean;
    inlineEnabled?: boolean;
    parentNode?: HTMLElement;
    setSelectOnHover?: Boolean;
    stickySelectionDelay?: Number;
    ignoreCaption?: Boolean;
    showLoadingState?: Boolean;
    emptyMessage?(prefix: String): String;
    getPopup(): AcePopup;
    showPopup(editor: Editor, options: CompletionOptions): void;
    detach(): void;
    destroy(): void;
  }

  type AcePopupNavigation = "up" | "down" | "start" | "end";

  export class AcePopup {
    constructor(parentNode: HTMLElement);
    setData(list: Completion[], filterText: string): void;
    getData(row: number): Completion;
    getRow(): number;
    getRow(line: number): void;
    hide(): void;
    show(pos: Point, lineHeight: number, topdownOnly: boolean): void;
    tryShow(pos: Point, lineHeight: number, anchor: "top" | "bottom" | undefined, forceShow?: boolean): boolean;
    goTo(where: AcePopupNavigation): void;
  }
}


export const version: string;
export const config: Ace.Config;
export function require(name: string): any;
export function edit(el: Element | string, options?: Partial<Ace.EditorOptions>): Ace.Editor;
export function createEditSession(text: Ace.Document | string, mode: Ace.SyntaxMode): Ace.EditSession;
export const VirtualRenderer: {
  new(container: HTMLElement, theme?: string): Ace.VirtualRenderer;
};
export const EditSession: {
  new(text: string | Ace.Document, mode?: Ace.SyntaxMode): Ace.EditSession;
};
export const UndoManager: {
  new(): Ace.UndoManager;
};
export const Editor: {
  new(): Ace.Editor;
};
export const Range: {
  new(startRow: number, startColumn: number, endRow: number, endColumn: number): Ace.Range;
  fromPoints(start: Ace.Point, end: Ace.Point): Ace.Range;
  comparePoints(p1: Ace.Point, p2: Ace.Point): number;
};


type InlineAutocompleteAction = "prev" | "next" | "first" | "last";

type TooltipCommandFunction<T> = (editor: Ace.Editor) => T;

interface TooltipCommand extends Ace.Command {
  enabled: TooltipCommandFunction<boolean> | boolean,
  getValue?: TooltipCommandFunction<any>,
  type: "button" | "text" | "checkbox"
  iconCssClass: string,
  cssClass: string
}

export class InlineAutocomplete {
  constructor();
  getInlineRenderer(): Ace.AceInline;
  getInlineTooltip(): CommandBarTooltip;
  getCompletionProvider(): Ace.CompletionProvider;
  show(editor: Ace.Editor): void;
  isOpen(): boolean;
  detach(): void;
  destroy(): void;
  goTo(action: InlineAutocompleteAction): void;
  tooltipEnabled: boolean;
  commands: Record<string, Ace.Command>
  getIndex(): number;
  setIndex(value: number): void;
  getLength(): number;
  getData(index?: number): Ace.Completion | undefined;
  updateCompletions(options: Ace.CompletionOptions): void;
}

export class CommandBarTooltip {
  constructor(parentElement: HTMLElement);
  registerCommand(id: string, command: TooltipCommand): void;
  attach(editor: Ace.Editor): void;
  updatePosition(): void;
  update(): void;
  isShown(): boolean;
  getAlwaysShow(): boolean;
  setAlwaysShow(alwaysShow: boolean): void;
  detach(): void;
  destroy(): void;
}