/**
 * @module net/packets/incoming
 */
import { Writer } from '../../writer';
import { Reader } from '../../reader';
import { PacketType } from '../../packet-type';
import { Packet } from '../../packet';
/**
 * Received occasionally by the server to prompt a response from the client.
 */
export declare class PingPacket implements Packet {
    type: PacketType;
    propagate: boolean;
    /**
     * A nonce value which is expected to be present in the reply.
     */
    serial: number;
    read(reader: Reader): void;
    write(writer: Writer): void;
}
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