import { ActionBehavior, ActionBehaviorConstructorProps } from '../actionbehavior';
import { Component } from '../component';
import { ContextManager } from '../context';
import { Observable } from '../observable';
export declare enum ImageFormat {
    PNG = "png",
    JPEG = "jpeg"
}
/**
 * Captures the canvas as an image.
 * This image can then be shared or downloaded using other behaviors.
 *
 * @zbehavior
 * @zicon photo_camera
 * @zgroup Actions
 */
export declare class TakeSnapshot extends ActionBehavior<ActionBehaviorConstructorProps> {
    constructor(contextManager: ContextManager, instance: Component, props: ActionBehaviorConstructorProps);
    /**
     * The format of the image to capture.
     * @zprop
     * @zdefault jpeg
     */
    format: Observable<ImageFormat, never>;
    /**
     * The quality of the image to capture.
     * @zprop
     * @zdefault 0.92
     */
    quality: Observable<number, never>;
    /**
     * The name of the file to download.
     * @zprop
     * @zdefault canvas
     */
    fileName: Observable<string, never>;
    /**
     * The text to share.
     * @zprop
     * @zdefault ''
     */
    text: Observable<string, never>;
    /**
     * The title to share.
     * @zprop
     * @zdefault ''
     */
    title: Observable<string, never>;
    private dataUrl;
    /** @zprop */
    perform(): void;
    private capture;
    preview(): void;
}