bmesh.types

https://docs.blender.org/api/current/bmesh.types.html

BMesh

https://docs.blender.org/api/current/bmesh.types.html#bmesh.types.BMesh

BMVert

https://docs.blender.org/api/current/bmesh.types.html#bmesh.types.BMVert

BMFace

https://docs.blender.org/api/current/bmesh.types.html#bmesh.types.BMesh

BMLoop

https://docs.blender.org/api/current/bmesh.types.html#bmesh.types.BMLoop