question: unbinds a session . concode_field_sep Event<FormPropertiesOpened> propertiesOpenedEvent concode_elem_sep CanvasCommandFactory commandFactory concode_elem_sep Logger LOGGER concode_elem_sep DynamicFormRenderer formRenderer concode_elem_sep AbstractClientFullSession session concode_elem_sep DefinitionUtils definitionUtils concode_field_sep void init concode_elem_sep void executeUpdateProperty concode_elem_sep void log concode_elem_sep void onCanvasSessionOpened concode_elem_sep void show concode_elem_sep void show concode_elem_sep boolean isEmpty concode_elem_sep void showByUUID concode_elem_sep void showByUUID concode_elem_sep Diagram<?,?> getDiagram concode_elem_sep String getModifiedPropertyId concode_elem_sep AbstractCanvasHandler getCanvasHandler concode_elem_sep FormPropertiesWidget bind concode_elem_sep void CanvasClearSelectionEvent concode_elem_sep void doOpenSession concode_elem_sep void doClear concode_elem_sep void onCanvasSessionDisposed concode_elem_sep Widget asWidget concode_elem_sep void executeMove concode_elem_sep void onCanvasElementSelectedEvent
target: FormPropertiesWidget function ( ) { this . session = null ; doClear ( ) ; return this ; }