import { Buffer } from "node:buffer";
import { Ed25519KeyIdentity } from "@icp-sdk/core/identity";
import { Secp256k1KeyIdentity } from "@icp-sdk/core/identity/secp256k1";
export declare function decodeFile(file: string, password?: string): Ed25519KeyIdentity | Secp256k1KeyIdentity;
export declare function decodePem(rawKey: Buffer | string): Ed25519KeyIdentity | Secp256k1KeyIdentity;
export declare function encrypt(buffer: Buffer, password: string): Buffer<ArrayBuffer>;