import { Coord, Size } from './types';
export declare const barWidth = 7;
export declare const barMarginToEdge = 2;
export declare const barCapMargin = 4;
export interface ScrollbarExtent {
    start: number;
    end: number;
}
export interface ScrollbarPosition {
    extent: ScrollbarExtent;
    transverse: number;
}
export declare function getHorizontalScrollbarLength(canvasSize: Size, gridSize: Size, frozenColsWidth: number): number;
export declare function getVerticalScrollbarLength(canvasSize: Size, gridSize: Size, frozenRowsHeight: number): number;
export declare function calculateLength(canvasLength: number, gridLength: number, frozenLength: number): number;
export declare function getHorizontalScrollbarExtent(gridOffset: Coord, canvasSize: Size, gridSize: Size, horizontalBarLength: number, frozenColsWidth: number): ScrollbarExtent;
export declare function getVerticalScrollbarExtent(gridOffset: Coord, canvasSize: Size, gridSize: Size, verticalBarLength: number, frozenRowsHeight: number): ScrollbarExtent;
export declare function calculateExtent(gridOffset: number, canvasLength: number, gridLength: number, barLength: number, frozenLength: number): ScrollbarExtent;
export declare function getHorizontalScrollbarPos(extent: ScrollbarExtent, canvasSize: Size, gridSize: Size): ScrollbarPosition | null;
export declare function getVerticalScrollbarPos(extent: ScrollbarExtent, canvasSize: Size, gridSize: Size): ScrollbarPosition | null;
export declare function getVerticalGutterBounds(canvasSize: Size, gridSize: Size): ClientRect | null;
export declare function getHorizontalGutterBounds(canvasSize: Size, gridSize: Size): ClientRect | null;
export declare function calculateFractionFromStartPos(start: number, frozenLength: number, canvasLength: number, barLength: number): number;
export declare function getHitScrollBar(coord: Coord, horizontalPosition: ScrollbarPosition | null, verticalPosition: ScrollbarPosition | null): 'x' | 'y' | null;