import type { NostrEvent, NotSignedNostrEvent } from "../nostr";
import type { EventSigner } from "../signer";
export declare class Nip55Signer implements EventSigner {
    #private;
    init(): Promise<void>;
    getPubKey(): Promise<string>;
    nip4Encrypt(content: string, key: string): Promise<string>;
    nip4Decrypt(content: string, otherKey: string): Promise<string>;
    nip44Encrypt(content: string, key: string): Promise<string>;
    nip44Decrypt(content: string, otherKey: string): Promise<string>;
    sign(ev: NostrEvent | NotSignedNostrEvent): Promise<any>;
    get supports(): string[];
}
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