@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      projectId_ = "";
      view_ = 0;
      pageSize_ = 0;
      pageToken_ = "";
      startTime_ = null;
      if (startTimeBuilder_ != null) {
        startTimeBuilder_.dispose();
        startTimeBuilder_ = null;
      }
      endTime_ = null;
      if (endTimeBuilder_ != null) {
        endTimeBuilder_.dispose();
        endTimeBuilder_ = null;
      }
      filter_ = "";
      orderBy_ = "";
      return this;
    }
<pre>
The request message for the `ListTraces` method. All fields are required
unless specified.
</pre>

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