export default class ImageChecker {
    private static instance;
    private blob;
    private readonly blobSetPromise;
    private blobSetResolve;
    private constructor();
    static getInstance(): ImageChecker;
    setImageBlob(blob: Blob): void;
    onBlobSet(callback: (blob: Blob) => Promise<void>): void;
    isImageQualityGood(): Promise<boolean>;
    destroy(): void;
}
//# sourceMappingURL=ImageChecker.d.ts.map