@java.lang.Override
      public final boolean isInitialized() {
        return true;
      }
<pre>
Defines a header message. A header can have a key and a value.
</pre>

Protobuf type {@code google.cloud.tasks.v2beta3.HttpTarget.Header}
java-tasks/proto-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/HttpTarget.java