export function Sha256(is224: any, sharedMemory: any): void;
export class Sha256 {
    constructor(is224: any, sharedMemory: any);
    blocks: any[];
    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;
    is224: any;
    update(message: any): this | undefined;
    lastByteIndex: number | undefined;
    finalize(): void;
    hash(): void;
    chromeBugWorkAround: boolean | undefined;
    hex(): string;
    toString: any;
    digest(): number[];
    array: any;
    arrayBuffer(): ArrayBuffer;
}