How to use the apollo-engine-reporting-protobuf.Trace.verify function in apollo-engine-reporting-protobuf

return;
    }

    if (!(schemaHash in this.reports)) {
      this.reportHeaders[schemaHash] = new ReportHeader({
        ...serviceHeaderDefaults,
        schemaHash,
        schemaTag:
          this.options.schemaTag || process.env.ENGINE_SCHEMA_TAG || '',
      });
      // initializes this.reports[reportHash]
      this.resetReport(schemaHash);
    }
    const report = this.reports[schemaHash];

    const protobufError = Trace.verify(trace);
    if (protobufError) {
      throw new Error(`Error encoding trace: ${protobufError}`);
    }
    const encodedTrace = Trace.encode(trace).finish();

    const signature = await this.getTraceSignature({
      queryHash,
      documentAST,
      queryString,
      operationName,
    });

    const statsReportKey = `# ${operationName || '-'}\n${signature}`;
    if (!report.tracesPerQuery.hasOwnProperty(statsReportKey)) {
      report.tracesPerQuery[statsReportKey] = new Traces();
      (report.tracesPerQuery[statsReportKey] as any).encodedTraces = [];