import { ElementRef, AfterViewInit, OnChanges, SimpleChanges } from '@angular/core';
import { INewCanvasWhiteboardShape } from '../_services/canvas-whiteboard-shape.service';
import { CanvasWhiteboardShape } from '../_classes/shape/canvas-whiteboard-shape';
import { CanvasWhiteboardShapeOptions } from '../_classes/shape/canvas-whiteboard-shape-options';
export declare class CanvasWhiteboardShapePreviewComponent implements AfterViewInit, OnChanges {
    readonly shapeConstructor: INewCanvasWhiteboardShape<CanvasWhiteboardShape>;
    readonly shapeOptions: CanvasWhiteboardShapeOptions;
    canvas: ElementRef;
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    drawShapePreview(): void;
}