@java.lang.Override
    public com.google.cloud.tasks.v2beta3.HttpTarget.HeaderOrBuilder getHeaderOrBuilder() {
      return header_ == null
          ? com.google.cloud.tasks.v2beta3.HttpTarget.Header.getDefaultInstance()
          : header_;
    }
<pre>
header embodying a key and a value.
</pre>

<code>.google.cloud.tasks.v2beta3.HttpTarget.Header header = 1;</code>
java-tasks/proto-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/HttpTarget.java