import * as go from '../../../../libs/gojs/release/go';
import { Part } from '../../../../libs/gojs/release/go';
export declare class ElementSizeHelper {
    private diagram;
    private _sizeService;
    constructor(diagram: go.Diagram);
    private setDataProperty;
    getWidth(part: go.Part): number;
    setWidth(part: Part, width: number): void;
    setHeight(part: Part, height: number): void;
    getHeight(part: Part): number;
    setSize(part: Part, width: number, height: number): void;
}