public interface VisibilityQueryImplementation
Global lookup is used to find all instances of VisibilityQueryImplementation.
Threading note: implementors should avoid acquiring locks that might be held
by other threads. Generally treat this interface similarly to SPIs in
org.openide.filesystems with respect to threading semantics.
boolean isVisible(FileObject file)
file- a file to considered
void addChangeListener(ChangeListener l)
l- a listener to add
void removeChangeListener(ChangeListener l)
l- a listener to remove
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