in http-core/src/main/scala/com/twitter/finatra/http/marshalling/MessageInjectableValues.scala [363:373]
private[this] def fieldNameForAnnotation(forProperty: BeanProperty): String = {
findAnnotation(forProperty, annotations) match {
case Some(annotation) =>
ReflectAnnotations.getValueIfAnnotatedWith[InjectableValue](annotation) match {
case Some(value) if value != null && value.nonEmpty => value
case _ => forProperty.getName
}
case _ =>
forProperty.getName
}
}