exporters/metrics/src/main/java/com/google/cloud/opentelemetry/metric/InternalMetricExporter.java [144:153]:
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                      .usePlaintext()
                      .build())));
    } else {
      // For any other endpoint, we force credentials to exist.
      Credentials credentials =
          configuration.getCredentials() == null
              ? GoogleCredentials.getApplicationDefault()
              : configuration.getCredentials();

      builder.setCredentialsProvider(
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exporters/trace/src/main/java/com/google/cloud/opentelemetry/trace/InternalTraceExporter.java [90:97]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                        .usePlaintext()
                        .build())));
      } else {
        Credentials credentials =
            configuration.getCredentials() == null
                ? GoogleCredentials.getApplicationDefault()
                : configuration.getCredentials();
        builder.setCredentialsProvider(
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -