import { HttpRequest, HttpHandler, HttpEvent, HttpInterceptor } from '@angular/common/http';
import { PlatformLocation } from '@angular/common';
import { Observable } from 'rxjs';
import { DiagLogger } from '@opentelemetry/api';
import { WebTracerProvider, StackContextManager } from '@opentelemetry/sdk-trace-web';
import { OpenTelemetryConfig } from '../configuration/opentelemetry-config';
import { IExporter } from '../services/exporter/exporter.interface';
import { IPropagator } from '../services/propagator/propagator.interface';
import { CustomSpan } from './custom-span.interface';
import * as i0 from "@angular/core";
/**
 * OpenTelemetryInterceptor class
 */
export declare class OpenTelemetryHttpInterceptor implements HttpInterceptor {
    private config;
    private exporterService;
    private propagatorService;
    private logger;
    private customSpan;
    private platformLocation;
    /**
     * tracer
     */
    tracer: WebTracerProvider;
    /**
     * context manager
     */
    contextManager: StackContextManager;
    /**
     * Log or not body
     */
    logBody: boolean;
    /**
    * constructor
    *
    * @param config configuration
    * @param exporterService service exporter injected
    * @param propagatorService propagator injected
    * @param logger define logger
    * @param customSpan a customSpan interface to add attributes
    * @param platformLocation encapsulates all calls to DOM APIs
    */
    constructor(config: OpenTelemetryConfig, exporterService: IExporter, propagatorService: IPropagator, logger: DiagLogger, customSpan: CustomSpan, platformLocation: PlatformLocation);
    /**
   * Overide method
   * Interceptor from HttpInterceptor Angular
   *
   * @param request the current request
   * @param next next
   */
    intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>>;
    /**
     * Get current scheme, hostname and port
     */
    private getURL;
    /**
     * Generate Resource Attributes
     */
    private loadResourceAttributes;
    /**
     * Initialise a span for a request intercepted
     *
     * @param request request
     */
    private initSpan;
    /**
     * Add header propagator in request and conserve original header
     *
     * @param request request
     */
    private injectContextAndHeader;
    /**
     * Verify to insert or not a Span Exporter
     */
    private insertOrNotSpanExporter;
    /**
     * Insert in tracer the console span if config is true
     */
    private insertConsoleSpanExporter;
    /**
     * Insert BatchSpanProcessor in production mode
     * SimpleSpanProcessor otherwise
     */
    private insertSpanProcessorProductionMode;
    /**
     * define the Probability Sampler
     * By Default, it's always (or 1)
     *
     * @param sampleConfig the sample configuration
     */
    private defineProbabilitySampler;
    /**
     * convert String to Number (or undefined)
     *
     * @param value
     * @returns number or undefined
     */
    private convertStringToNumber;
    /**
     * Set custom attributes in span with a CustomSpan
     *
     * @param span
     * @param request
     * @param response
     * @returns Span
     */
    private setCustomSpan;
    static ɵfac: i0.ɵɵFactoryDeclaration<OpenTelemetryHttpInterceptor, [null, null, null, { optional: true; }, { optional: true; }, null]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<OpenTelemetryHttpInterceptor>;
}