/**
 * SMI-739: OpenTelemetry Tracer Setup
 * SMI-755: Graceful fallback when OpenTelemetry unavailable
 *
 * Provides distributed tracing for Skillsmith operations.
 *
 * @see tracer-types.ts for type definitions
 * @see span-utils.ts for span wrapper classes
 */
export type { TracerConfig, SpanAttributes, SpanWrapper, Span, Tracer, SpanOptions, OTelApi, OTelNodeSDK, OTelResourceFromAttributes, } from './tracer-types.js';
import type { TracerConfig, SpanOptions, SpanWrapper } from './tracer-types.js';
/**
 * Skillsmith Tracer - Wrapper for OpenTelemetry tracing
 */
export declare class SkillsmithTracer {
    private tracer;
    private initialized;
    private enabled;
    private config;
    private sdkInstance;
    constructor(config?: TracerConfig);
    initialize(): Promise<void>;
    isEnabled(): boolean;
    startSpan(name: string, options?: SpanOptions): SpanWrapper;
    withSpan<T>(name: string, fn: (span: SpanWrapper) => Promise<T>, options?: SpanOptions): Promise<T>;
    withSpanSync<T>(name: string, fn: (span: SpanWrapper) => T, options?: SpanOptions): T;
    getCurrentSpan(): SpanWrapper;
    shutdown(): Promise<void>;
}
export declare function getTracer(): SkillsmithTracer;
export declare function initializeTracing(config?: TracerConfig): Promise<SkillsmithTracer>;
export declare function shutdownTracing(): Promise<void>;
export declare function traced(spanName?: string): <T extends (...args: unknown[]) => Promise<unknown>>(target: unknown, propertyKey: string, descriptor: TypedPropertyDescriptor<T>) => TypedPropertyDescriptor<T>;
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