pub unsafe extern "C" fn panel_workbench_class_install_action(
workbench_class: *mut PanelWorkbenchClass,
action_name: *const c_char,
parameter_type: *const c_char,
activate: PanelActionActivateFunc
)
pub unsafe extern "C" fn panel_workbench_class_install_action(
workbench_class: *mut PanelWorkbenchClass,
action_name: *const c_char,
parameter_type: *const c_char,
activate: PanelActionActivateFunc
)