4.5 describeType

<method name="ext_connectToStream" declaredBy="com.conceptualideas.chat.delegators::ViewerDelegator" returnType="void">
  <parameter index="1" type="String" optional="false"/>
  <metadata name="External"/>
  <metadata name="__go_to_definition_help">
    <arg key="pos" value="1861"/>
  </metadata>
</method>

method.metadata.(@name =="External") == nothing

3.5 describeType
<method name="ext_connectToStream" declaredBy="com.conceptualideas.chat.delegators::ViewerDelegator" returnType="void">
  <parameter index="1" type="String" optional="false"/>
  <metadata name="External"/>
</method>
[DEBUG] [external] bind(connectToStream)