called by com.intellij.openapi.diff.difftool when document returned by #getdocument is opened in editor . implementors may use this notification toadd listeners when document is editing and remove when editing done to avoid memory leaks . concode_field_sep boolean myIsEmpty concode_elem_sep List<Listener> myListeners concode_field_sep void fireContentInvalid concode_elem_sep OpenFileDescriptor getOpenFileDescriptor concode_elem_sep void contentInvalid concode_elem_sep Document getDocument concode_elem_sep LineSeparator getLineSeparator concode_elem_sep void setIsEmpty concode_elem_sep boolean isEmpty concode_elem_sep boolean isBinary concode_elem_sep void removeListener concode_elem_sep VirtualFile getFile concode_elem_sep byte[] getBytes concode_elem_sep FileContent fromFile concode_elem_sep DocumentContent fromDocument concode_elem_sep FileType getContentType concode_elem_sep void addListener
void function ( boolean arg0 ) { }