@java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }
<pre>
Optional. Indicates whether changes are allowed to a file. If the field is
not set, the file cannot be edited.
</pre>

<code>bool editable = 4 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The editable.
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/File.java