export interface BlazeFaceModel {
    estimateFaces: (input: HTMLVideoElement | HTMLImageElement | HTMLCanvasElement, returnTensors?: boolean) => Promise<any[]>;
}
export interface TensorFlowJS {
    setBackend: (name: string) => Promise<boolean>;
    ready: () => Promise<void>;
}
export interface BlazeFaceModule {
    load: () => Promise<BlazeFaceModel>;
}
export declare const setFaceDetectionDependencies: (tensorFlow: TensorFlowJS, blazeFaceModule: BlazeFaceModule) => void;
export declare function initializeFaceDetector(): Promise<boolean>;
export declare function detectFace(video: HTMLVideoElement): Promise<any | null>;
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