import AisMessage from './ais-message';
import AisBitField from '../ais-bitfield';
declare class AisMessage4 extends AisMessage {
    year: number;
    month: number;
    day: number;
    hour: number;
    minute: number;
    second: number;
    accuracy: boolean;
    lon: number;
    lat: number;
    epfd: number;
    raim: boolean;
    radio: number;
    constructor(messageType: number, channel: string, bitField: AisBitField);
}
export default AisMessage4;