/**
 * Telemetry extraction adapter for unified middleware
 */
import type { UnifiedHttpContext } from '@inh-lib/unified-route';
import type { UnifiedTelemetrySpan, UnifiedTelemetryLogger } from '@inh-lib/unified-telemetry-core';
import type { InternalTelemetryDependencies, InternalTraceContext, InternalHttpRequestContext, InternalPerformanceTrackingData, InternalResourceMeasurement } from '../types/middleware.types';
import { TelemetryLayerType, TelemetryOperationType } from '../types/telemetry.types';
/**
 * Adapter for extracting and setting up telemetry context
 */
export declare function createTelemetryExtractorAdapter(dependencies: InternalTelemetryDependencies): {
    extractAndSetupTelemetry: (context: UnifiedHttpContext) => InternalPerformanceTrackingData;
    injectTraceHeaders: (traceContext: InternalTraceContext) => Record<string, string>;
    createSpanFromContext: (requestContext: InternalHttpRequestContext, traceContext: InternalTraceContext) => UnifiedTelemetrySpan;
    createLoggerFromSpan: (span: UnifiedTelemetrySpan, requestContext: InternalHttpRequestContext, operationType?: TelemetryOperationType, layer?: TelemetryLayerType) => UnifiedTelemetryLogger;
};
/**
 * Create span name from request context
 */
export declare function createSpanName(requestContext: InternalHttpRequestContext): string;
/**
 * Create operation name from request context
 */
export declare function createOperationName(requestContext: InternalHttpRequestContext): string;
/**
 * Create span attributes from request context
 */
export declare function createSpanAttributes(requestContext: InternalHttpRequestContext, traceContext: InternalTraceContext): Record<string, string | number | boolean>;
/**
 * Create a no-op span when tracing is disabled
 */
export declare function createNoOpSpan(): UnifiedTelemetrySpan;
/**
 * Create a no-op logger when logging is disabled
 */
export declare function createNoOpLogger(): UnifiedTelemetryLogger;
/**
 * Create empty resource measurement when tracking is disabled
 */
export declare function createEmptyResourceMeasurement(): InternalResourceMeasurement;