import * as internal from './instantiate.js';
/** Exports supplied by the standalone scrypt artifact. @internal */
export type Exports = {
    scrypt(password: number, passwordLength: number, salt: number, saltLength: number, N: number, r: number, p: number, out: number, outLength: number, B: number, V: number, tmp: number, scratch: number): void;
    zero(ptr: number, length: number): void;
};
/** Returns the one memoized scrypt instance shared by its providers. */
export declare function load(): Promise<internal.Module<Exports>>;
/** Derives a key through a loaded scrypt module. @internal */
export declare function derive(module: internal.Module<Exports>, password: Uint8Array, salt: Uint8Array, options: {
    N: number;
    dkLen: number;
    p: number;
    r: number;
}): Uint8Array;
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