public Builder clearContainer() {
      bitField0_ = (bitField0_ & ~0x00004000);
      container_ = null;
      if (containerBuilder_ != null) {
        containerBuilder_.dispose();
        containerBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Optional. Container that runs upon startup for each workstation using this
workstation configuration.
</pre>

<code>
.google.cloud.workstations.v1.WorkstationConfig.Container container = 14 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/WorkstationConfig.java