Some of this code might have half implemented features or limited poll definitions.
OOOOOOLD notes, note relevant yet probably
FILE_OT_save_incremental / wm.save_incremental
Save blend file with incremented trailing digit
OBJECT_OT_set_objects_material_images_interp / object.set_objects_materials_image_interp
Set the interpolation of all images found on the selected objects' materials' image nodes
MESH_OT_select_faces_by_normal / mesh.select_faces_by_normal
Select faces based on angle between a normal and each face normal. Limited by a threshold
Cutoff doesn't do shit yet
MESH_OT_select_faces_by_normal / mesh.select_faces_by_location_range
Select faces based on a bounding box
OBJECT_OT_grid_bisect_mesh / object.grid_bisect_mesh
Grid bisect mesh in local space based on IntVectorProperty