Java: Javadoc.getCommentedElement() returns bogus MetricElement & Annotatable

[Marcono1234]

Relates to #3698

For some projects the predicate Javadoc.getCommentedElement() returns some bogus element whose only QL classes are MetricElement and Annotatable, and which has no toString():

import java

from Javadoc javadoc, Top commentedElement, boolean hasToString, boolean hasLocation
where
  commentedElement = javadoc.getCommentedElement()
  and forall(string qlClass | qlClass = commentedElement.getAQlClass() |
    qlClass = ["MetricElement", "Annotatable"]
  )
  and if exists(commentedElement.toString()) then hasToString = true else hasToString = false
  and if exists(commentedElement.getLocation()) then hasLocation = true else hasLocation = false
select javadoc, commentedElement.getAPrimaryQlClass(), hasToString, hasLocation

Query console link

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