/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { ISpan, ITelemetryProvider, SpanOptions } from "./ITelemetryProvider";
/**
 * Minimal subset of the OpenTelemetry `Tracer` interface that we depend on.
 * This avoids a hard dependency on `@opentelemetry/api` while still being
 * fully compatible with `trace.getTracer()`.
 */
export interface OTelTracer {
    startSpan(name: string, options?: any, context?: any): OTelSpan;
}
/**
 * Minimal subset of the OpenTelemetry `Span` interface.
 */
export interface OTelSpan {
    setAttribute(key: string, value: string | number | boolean): any;
    addEvent(name: string, attributes?: Record<string, any>): any;
    setStatus(status: {
        code: number;
        message?: string;
    }): any;
    end(): void;
}
/**
 * Telemetry provider backed by a real OpenTelemetry tracer.
 *
 * @example
 * ```ts
 * import { trace } from "@opentelemetry/api";
 * import { OTelTelemetryProvider, setTelemetryProvider } from "@workglow/util";
 *
 * const tracer = trace.getTracer("my-app", "1.0.0");
 * setTelemetryProvider(new OTelTelemetryProvider(tracer));
 * ```
 */
export declare class OTelTelemetryProvider implements ITelemetryProvider {
    private readonly tracer;
    readonly isEnabled = true;
    constructor(tracer: OTelTracer);
    startSpan(name: string, options?: SpanOptions): ISpan;
}
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