import { BaseClip } from './base-clip';
import { IClipMeta } from './iclip';
export declare class Placeholder extends BaseClip {
    type: string;
    meta: IClipMeta;
    constructor(src: string, meta?: Partial<IClipMeta>, type?: string);
    private placeholderFrame;
    tick(time: number): Promise<{
        video?: ImageBitmap | null;
        audio?: Float32Array[];
        state: 'done' | 'success';
    }>;
    clone(): Promise<this>;
    split(time: number): Promise<[this, this]>;
}