/** 计算数据的 SHA256 哈希值 */
export declare function sha256(data: Blob, options?: {
    outBase64?: boolean;
    outBase58?: boolean;
    arrayBuffer: ArrayBuffer;
}): Promise<string>;
export declare function sha256(data: Blob, options: {
    outMore: true;
}): Promise<{
    base64: string;
    base58: string;
    hex: string;
    arrayBuffer: ArrayBuffer;
}>;
export declare function sha256(data: string | ArrayBuffer | Uint8Array, options?: {
    outBase64?: boolean;
    outBase58?: boolean;
}): string;
export declare function sha256(data: string | ArrayBuffer | Uint8Array, options: {
    outMore: true;
}): {
    base64: string;
    base58: string;
    hex: string;
    arrayBuffer: ArrayBuffer;
};
/** 使用浏览器原生 crypto 计算 sha256 */
export declare function sha256Native(data: string | ArrayBuffer | Blob, options: {
    outMore: true;
}): Promise<{
    base64: string;
    base58: string;
    hex: string;
    arrayBuffer: ArrayBuffer;
}>;
export declare function sha256Native(data: string | ArrayBuffer | Blob, options?: {
    outBase64?: boolean;
    outBase58?: boolean;
}): Promise<string>;
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