assert segment != null;
assert term != null;
Property source = term.getSource();
String name = ShuffleEmiterUtil.getPropertyName(segment, term);
return factory.newFieldDeclaration(
new JavadocBuilder(factory)
.text("{0}#{1}が利用するキー ({2})",
segment.getPort().getOwner().getDescription().getName(),
segment.getPort().getDescription().getName(),
source.getName())
.toJavadoc(),