export interface IncrementalSHA256 {
    update(bytes: Uint8Array): IncrementalSHA256;
    digest(): Uint8Array;
}
export declare const createSHA256: () => IncrementalSHA256;
export declare const sha256Base64Sync: (bytes: Uint8Array) => string;
export declare const sha256Base64: (bytes: Uint8Array) => Promise<string>;
export declare const sha256: (bytes: Uint8Array) => Promise<Uint8Array>;
export declare const sha256Sync: (bytes: Uint8Array) => Uint8Array;
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