public boolean isUninterestingStreamEscape(Stream stream){
  return uninterestingStreamEscapeSet.contains(stream);
}

public boolean isUninterestingStreamEscape ( Stream stream ) { return uninterestingStreamEscapeSet . contains ( stream ) ; }
determine if an uninteresting stream escapes at given location . marktransitiveuninterestingstreamescapes ( ) should be called first .
