import type * as Engine from '../../core/Engine.js';
import type { Module } from './instantiate.js';
/** Exports required by every incremental hash state. @internal */
export type Exports = {
    zero(ptr: number, length: number): void;
};
/** Parameters for creating a host-owned incremental hash state. @internal */
export type Options<exports extends Exports> = {
    digestSize: number;
    finalize: (exports: exports, state: number, out: number) => void;
    init: (exports: exports, state: number, input: number, inputLength: number) => void;
    input?: Uint8Array | undefined;
    stateSize: number;
    update: (exports: exports, state: number, input: number, inputLength: number) => void;
};
/**
 * Creates a hash state whose authoritative bytes live in host memory.
 *
 * The shared WASM instance only holds a state during one synchronous call.
 * Every workspace is cleared before control returns to the caller.
 *
 * @internal
 */
export declare function create<exports extends Exports>(module: Module<exports>, options: Options<exports>): Engine.HashState;
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