import type { InboundMessageContext } from '../../../agent/models/InboundMessageContext';
import type { TrustPingMessage } from '../messages';
import type { ConnectionRecord } from '../repository/ConnectionRecord';
import { TrustPingResponseMessage } from '../messages';
export declare class TrustPingService {
    processPing({ message }: InboundMessageContext<TrustPingMessage>, connection: ConnectionRecord): import("../../../types").OutboundMessage<TrustPingResponseMessage> | undefined;
    processPingResponse(inboundMessage: InboundMessageContext<TrustPingResponseMessage>): void;
}