import ID from '../../utils/uuid';
import ContextCarrier from './contextCarrier';
export default class SegmentRef {
    refType: 'CrossProcess' | 'CrossThread';
    traceId: ID;
    spanId: string;
    segmentId: ID;
    service: string;
    serviceInstance: string;
    endpoint: string;
    clientAddress: string;
    private constructor();
    static fromCarrier(carrier: ContextCarrier): SegmentRef;
}