import { RPCResponse } from '../../core/message/RPCResponse.js';
import { RequestArguments } from '../../core/provider/interface.js';
import { Signer } from './Signer.js';
/**
 * EphemeralSigner extends Signer for single-use payment flows.
 *
 * Key differences from Signer:
 * 1. isEphemeral: true for telemetry
 * 2. Only supports wallet_sendCalls and wallet_sign methods
 * 3. No-op handleResponse (no state updates)
 * 4. More aggressive cleanup (clears all store state)
 */
export declare class EphemeralSigner extends Signer {
    protected get isEphemeral(): boolean;
    request: <T>(args: RequestArguments) => Promise<T>;
    protected handleResponse(_request: RequestArguments, decrypted: RPCResponse): Promise<unknown>;
    cleanup(): Promise<void>;
}
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