public com.google.cloud.tasks.v2beta2.HttpTarget.Header getHeader() {
        if (headerBuilder_ == null) {
          return header_ == null
              ? com.google.cloud.tasks.v2beta2.HttpTarget.Header.getDefaultInstance()
              : header_;
        } else {
          return headerBuilder_.getMessage();
        }
      }
<pre>
header embodying a key and a value.
</pre>

<code>.google.cloud.tasks.v2beta2.HttpTarget.Header header = 1;</code>

@return The header.
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/HttpTarget.java