public Builder mergeContainer(
        com.google.cloud.workstations.v1beta.WorkstationConfig.Container value) {
      if (containerBuilder_ == null) {
        if (((bitField0_ & 0x00008000) != 0)
            && container_ != null
            && container_
                != com.google.cloud.workstations.v1beta.WorkstationConfig.Container
                    .getDefaultInstance()) {
          getContainerBuilder().mergeFrom(value);
        } else {
          container_ = value;
        }
      } else {
        containerBuilder_.mergeFrom(value);
      }
      if (container_ != null) {
        bitField0_ |= 0x00008000;
        onChanged();
      }
      return this;
    }
<pre>
Optional. Container that runs upon startup for each workstation using this
workstation configuration.
</pre>

<code>
.google.cloud.workstations.v1beta.WorkstationConfig.Container container = 14 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/WorkstationConfig.java