import { SpanMeta, SpanTags } from './interfaces';
export default class Span {
    resource: string;
    name: string;
    service: string;
    traceId: number;
    start: number;
    duration: number;
    meta: SpanMeta;
    children: Span[];
    tags: SpanTags;
    error: number;
    constructor(resource: string, name: string, service?: string);
    newChild(resource: string, name: string, service?: string): Span;
    setMeta(meta: SpanMeta): this;
    setTags(tags: SpanTags): this;
    setError(error: Error): this;
    end(endTime?: number): this;
    removeShortSpans(thresholdMs: number): this;
    setTraceId(traceId: number): this;
    readonly hasEnded: boolean;
    static NoOp: {
        end: () => typeof Span;
        setMeta: () => typeof Span;
        setTags: () => typeof Span;
        newChild: () => typeof Span;
        setError: (error?: Error) => typeof Span;
        removeShortSpans: () => typeof Span;
        setTraceId: () => typeof Span;
        readonly hasEnded: boolean;
    };
}