@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (vmwareBuilder_ != null) {
        vmwareBuilder_.clear();
      }
      if (awsBuilder_ != null) {
        awsBuilder_.clear();
      }
      name_ = "";
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      updateTime_ = null;
      if (updateTimeBuilder_ != null) {
        updateTimeBuilder_.dispose();
        updateTimeBuilder_ = null;
      }
      internalGetMutableLabels().clear();
      description_ = "";
      sourceDetailsCase_ = 0;
      sourceDetails_ = null;
      return this;
    }
<pre>
Source message describes a specific vm migration Source resource. It contains
the source environment information.
</pre>

Protobuf type {@code google.cloud.vmmigration.v1.Source}
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/Source.java