private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetHeaders() {
      if (headers_ == null) {
        return com.google.protobuf.MapField.emptyMapField(HeadersDefaultEntryHolder.defaultEntry);
      }
      return headers_;
    }
<pre>
The HTTP method to use for the request. The default is POST.
</pre>

<code>.google.cloud.tasks.v2beta2.HttpMethod http_method = 2;</code>

@return This builder for chaining.
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/HttpRequest.java