question: returns true if the datasource is visible , false otherwise . concode_field_sep DataSource ROOT concode_elem_sep DataSource owner concode_elem_sep Set<ComparableWeakReference<DataRemovedListener>> removedListeners concode_elem_sep boolean isRemoved concode_elem_sep boolean visible concode_elem_sep PropertyChangeSupport changeSupport concode_elem_sep String PROPERTY_VISIBLE concode_elem_sep Storage storage concode_elem_sep DataSourceContainer repository concode_elem_sep RequestProcessor EVENT_QUEUE concode_elem_sep DataSource master concode_field_sep void setVisible concode_elem_sep Set<ComparableWeakReference<DataRemovedListener>> getRemovedListeners concode_elem_sep void addImpl concode_elem_sep DataSourceContainer getRepository concode_elem_sep Storage createStorage concode_elem_sep boolean checkRemove concode_elem_sep boolean hasRemovedListeners concode_elem_sep DataSource getOwner concode_elem_sep void removePropertyChangeListener concode_elem_sep void removePropertyChangeListener concode_elem_sep void remove concode_elem_sep void removeImpl concode_elem_sep boolean isRemoved concode_elem_sep boolean supportsUserRemove concode_elem_sep void notifyWhenRemoved concode_elem_sep Storage getStorage concode_elem_sep DataSource getMaster concode_elem_sep void addPropertyChangeListener concode_elem_sep void addPropertyChangeListener concode_elem_sep PropertyChangeSupport getChangeSupport
target: boolean function ( ) { return visible ; }