import type * as Engine from '../core/Engine.js';
import type * as Errors from '../core/Errors.js';
export * from '../core/Ed25519.js';
/**
 * Creates a Node.js implementation of the [`Ed25519`](/api/Ed25519) engine
 * slot, without installing it.
 *
 * Node's verifier does not implement Ox's ZIP-215 verification semantics, so
 * this engine deliberately omits `verify`. Public-key conversion and random
 * key generation also remain on Ox's default implementation.
 *
 * @example
 * ```ts twoslash
 * // @noErrors
 * import { Engine } from 'ox'
 * import { Ed25519 } from 'ox/node'
 *
 * await Engine.install({ Ed25519: Ed25519.engine() })
 *
 * Ed25519.getPublicKey({ privateKey: '0x...' })
 * ```
 *
 * @returns The raw `Ed25519` engine slot.
 */
export declare function engine(): Promise<engine.ReturnType>;
export declare namespace engine {
    /** Every `Ed25519` primitive this module implements. */
    type ReturnType = {
        [key in 'getPublicKey' | 'sign' | 'toMontgomerySecret']-?: NonNullable<Engine.Eddsa[key]>;
    };
    type ErrorType = Errors.GlobalErrorType;
}
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