Callback passed to "foreach frame" functions.
This function is called for each workspace window within a #PanelWorkbench when using panel.workbench.Workbench.foreachWorkspace.
libpanel major version component (e.g. 1 if PANEL_VERSION is 1.2.3)
libpanel micro version component (e.g. 3 if PANEL_VERSION is 1.2.3)
libpanel minor version component (e.g. 2 if PANEL_VERSION is 1.2.3)
libpanel version, encoded as a string, useful for printing and concatenation.
D types for panel1 library