/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
export interface ISquarifiedTreeMapOptions {
    ids: Uint32Array;
    sizes?: Float64Array | Uint32Array;
    positionsX: Float32Array | Float64Array;
    positionsY: Float32Array | Float64Array;
    sizesX: Float32Array | Float64Array;
    sizesY: Float32Array | Float64Array;
    from: number;
    to: number;
    x: number;
    y: number;
    width: number;
    height: number;
    lookup: {
        [index: number]: number;
    };
}
export interface ICubifiedTreeMapOptions {
    ids: Uint32Array;
    sizes: Float64Array | Uint32Array;
    positionsX: Float32Array | Float64Array;
    positionsY: Float32Array | Float64Array;
    positionsZ: Float32Array | Float64Array;
    sizesX: Float32Array | Float64Array;
    sizesY: Float32Array | Float64Array;
    sizesZ: Float32Array | Float64Array;
    from: number;
    to: number;
    x: number;
    y: number;
    z: number;
    width: number;
    height: number;
    depth: number;
    side: number;
    total: number;
    minHeight: number;
    isTopToBottom: boolean;
    lookup: {
        [index: number]: number;
    };
}
export declare class TreeMapHelper {
    static squarifiedLayout(options: ISquarifiedTreeMapOptions): void;
    static totalSize(ids: Uint32Array, sizes: Float64Array | Uint32Array, from: number, to: number): number;
    private static _sliceLayout;
    private static aspect;
    static cubifiedLayout(options: ICubifiedTreeMapOptions): void;
}