import type { Span, SpanAttributes } from "@opentelemetry/api";
import { SpanKind } from "@opentelemetry/api";
export declare const KEY_SEP = ":";
export declare function keyOf(journey: string, instanceId: string, span?: string): string;
declare class SpanRegistry {
    private readonly map;
    set(name: string, span: Span): void;
    get(name: string): Span | undefined;
    has(name: string): boolean;
    delete(name: string): void;
    replace(name: string, span: Span): void;
    keys(): string[];
}
export declare const spanRegistry: SpanRegistry;
export interface StartSpanOptions {
    kind?: SpanKind;
    attributes?: SpanAttributes;
}
declare class OTelTraceHelperImpl {
    private getOTEL;
    private getTracer;
    startSpan(name: string, options?: StartSpanOptions): Span | undefined;
    startChildSpan(name: string, parentName: string, options?: StartSpanOptions): Span | undefined;
    endSpan(name: string): void;
    setAttribute(spanName: string, key: string, value: string | number | boolean): void;
    setAttributes(spanName: string, attributes: SpanAttributes): void;
    addSpanEvent(spanName: string, eventName: string, attributes?: SpanAttributes): void;
    recordError(spanName: string, error: Error): void;
    setOk(spanName: string, message?: string): void;
    endInstanceSpans(prefix: string): void;
    getSpan(name: string): Span | undefined;
    hasSpan(name: string): boolean;
}
export declare const OTelTracer: OTelTraceHelperImpl;
export {};