import { Ed25519KeyIdentity as baseEd25519Identity } from '@dfinity/identity';
import { GenericSignIdentity } from '../genericSignIdentity';
import { PublicKey } from '@dfinity/agent';
import { JsonnableKeyPair } from './../../../interfaces/identity';
declare class Ed25519KeyIdentity extends baseEd25519Identity implements GenericSignIdentity {
    protected _privateKey: ArrayBuffer;
    protected constructor(publicKey: PublicKey, _privateKey: ArrayBuffer);
    getPem(): string;
    /**
     * Serialize this key to JSON.
     */
    toJSON(): JsonnableKeyPair;
    static fromJSON(json: string): Ed25519KeyIdentity;
    static fromSecretKey(key: ArrayBuffer): Ed25519KeyIdentity;
}
export default Ed25519KeyIdentity;