public Builder mergeFrom(com.google.devtools.cloudtrace.v1.PatchTracesRequest other) {
      if (other == com.google.devtools.cloudtrace.v1.PatchTracesRequest.getDefaultInstance())
        return this;
      if (!other.getProjectId().isEmpty()) {
        projectId_ = other.projectId_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.hasTraces()) {
        mergeTraces(other.getTraces());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
The request message for the `PatchTraces` method.
</pre>

Protobuf type {@code google.devtools.cloudtrace.v1.PatchTracesRequest}
java-trace/proto-google-cloud-trace-v1/src/main/java/com/google/devtools/cloudtrace/v1/PatchTracesRequest.java