export declare class Sha1 {
    h0: number;
    h1: number;
    h2: number;
    h3: number;
    h4: number;
    blocks: number[];
    block: number;
    finalized: boolean;
    hashed: boolean;
    start: number;
    bytes: number;
    hBytes: number;
    first: boolean;
    lastByteIndex: number;
    constructor(sharedMemory?: any);
    update(message: string): this | undefined;
    finalize(): void;
    hash(): void;
    hex(): string;
    toString: () => string;
    digest(): number[];
    array: () => number[];
}