import type { ProfilerTag } from '../analysis/profiler-tag.interface.js';
import type { TraceSpan, TraceSpanKind, TraceSpanStatus } from '../interfaces/profile.interface.js';
export declare class TraceSpanDelegate {
    private readonly id;
    private readonly name;
    private readonly meta;
    private readonly finish?;
    private ended;
    private failed;
    constructor(id: string, name: string, meta: Record<string, string | number | boolean>, finish?: ((outcome: SpanOutcome) => void) | undefined);
    get spanId(): string;
    get label(): string;
    setTag(key: string, value: string | number | boolean): this;
    addTags(tags: Record<string, string | number | boolean>): this;
    markFailed(): this;
    end(outcome?: SpanOutcome): void;
}
export interface SpanOutcome {
    status?: TraceSpanStatus;
    kind?: TraceSpanKind;
    tags?: ProfilerTag[];
    source?: TraceSpan['source'];
}
export declare const INERT_SPAN: TraceSpanDelegate;