import type * as Engine from '../../core/Engine.js';
/** Compiles the aggregate engine's synchronous PBKDF2 implementation. */
export declare function engine(): Promise<engine.ReturnType>;
export declare namespace engine {
    /** The aggregate WASM engine's `Keystore` primitives. */
    type ReturnType = {
        pbkdf2Sha256: NonNullable<Engine.Keystore['pbkdf2Sha256']>;
    };
}
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