export declare function SHA256(input: string): Sha256;
declare class Sha256 {
    blocks: number[];
    h0: number;
    h1: number;
    h2: number;
    h3: number;
    h4: number;
    h5: number;
    h6: number;
    h7: number;
    block: number;
    start: number;
    bytes: number;
    hBytes: number;
    finalized: boolean;
    hashed: boolean;
    first: boolean;
    lastByteIndex: number;
    constructor();
    update(message: string): Sha256;
    finalize(): void;
    hash(): void;
    arrayBuffer(): ArrayBuffer;
    dataView(): DataView;
    private _getOutputs;
}
export {};