message: Fixed creating tracer
diff: @@ -5,8 +5,6 @@ import {
  } from "@opentelemetry/tracing";
  import { WebTracerProvider } from "@opentelemetry/web";
  import * as api from "@opentelemetry/api";
  -import { ZoneContextManager } from "@opentelemetry/context-zone";
  -import { B3Propagator } from "@opentelemetry/propagator-b3";
  export class Tracer {
  public static traceEnabled = false;
  @@ -22,7 +20,7 @@ export class Tracer {
  this.traceEnabled = true;
  this.initProvider();
  - this._tracer = api.trace.getTracer(tracerName);
  + this._tracer = this._provider!.getTracer(tracerName);
  }
  static disableTracing(): void {
  @@ -106,9 +104,6 @@ export class Tracer {
  new SimpleSpanProcessor(new ConsoleSpanExporter())
  );
  - this._provider.register({
  - contextManager: new ZoneContextManager(),
  - propagator: new B3Propagator(),
  - });
  + this._provider.register();
  }
  }
  