/**
 * Copyright (c) Microsoft. All rights reserved.
 */
export declare const a11yTabIndexAttribute = "tabindex";
export declare const lineDataAttribute = "data-is-line";
export declare const tokenDataAttribute = "data-is-token";
export declare const bracketDataAttribute = "data-is-bracket";
export declare const lineIndexDataAttribute = "data-line-index";
export declare const tokenIndexDataAttribute = "data-token-index";
export declare const annotationDataAttribute = "data-is-annotation";
export declare const annotationIndexDataAttribute = "data-annotation-index";
export declare const annotationEndLineIndexDataAttribute = "data-annotation-end-line-index";
export declare const annotationEndTokenIndexDataAttribute = "data-annotation-end-token-index";
export declare const annotationStartLineIndexDataAttribute = "data-annotation-start-line-index";
export declare const annotationStartTokenIndexDataAttribute = "data-annotation-start-token-index";
export declare const LABELER_VERTICAL_PADDING = 10;
export declare const MAX_CHARACTERS_PER_LINE = 100;
export declare const LABELER_HORIZONTAL_PADDING = 10;
export declare const VIRTUALIZATION_RENDER_AHEAD = 2;
export declare const LINE_HEIGHT_CHANGE_DEBOUNCE = 50;
export declare const VIRTUALIZATION_SCROLL_DEBOUNCE = 50;
export declare const LINE_VIRTUALIZATION_RENDER_DEBOUNCE = 50;
export declare const UNDERLINE_STROKE_WIDTH = 2;
export declare const UNDERLINE_NAME_Y_OFFSET = 4;
export declare const TOKEN_UNDERLINE_PADDING = 20;
export declare const TOKEN_Z_INDEX = 1;
export declare const TOKEN_DEFAULT_HEIGHT = 17;
export declare const TOKEN_DEFAULT_PADDING = 6;
export declare const TOKEN_CLASS_NAME = "inner-token";
export declare const TOKEN_DEFAULT_TOP_PADDING_OFFSET = 4;
export declare const TOKEN_DEFAULT_BOTTOM_PADDING_OFFSET = 12;
export declare const RELATION_STROKE_WIDTH = 2;
export declare const RELATION_NAME_Y_OFFSET = 16;
export declare const TOKEN_RELATION_PADDING = 24;
export declare const PREDICTION_STROKE_WIDTH = 1;
export declare const PREDICTION_NAME_Y_OFFSET = 10;
export declare const TOKEN_PREDICTION_Y_PADDING = 20;
export declare const RESIZE_HANDLE_X_OFFSET = 2;
export declare const RESIZE_HANDLE_SIZE_LARGE = 4;
export declare const NAME_HEIGHT = 20;
export declare const NAME_FONT_SIZE = 15;
export declare const BRACKET_OFFSET = -4;
export declare const TOOLTIP_MAX_WIDTH = 300;
export declare const TOOLTIP_MAX_HEIGHT = 300;
export declare const RTL_ANNOTATION_X_OFFSET = 4;
export declare const LABELER_DEFAULT_HEIGHT = "100%";
export declare const LABELER_DEFAULT_OVERFLOW = "auto";
export declare const nextLineChars: string[];
export declare const LabelerKeyCodes: {
    Tab: string;
    Space: string;
    End: string;
    Home: string;
    Enter: string;
    OpenBraces: string;
    CloseBraces: string;
    Escape: string;
    Delete: string;
    ArrowUp: string;
    Backspace: string;
    ArrowLeft: string;
    ArrowDown: string;
    ArrowRight: string;
};