def mesh_to_bmesh(bm: 'bmesh.types.BMesh', mesh: 'bpy.types.Mesh', object:
    'bpy.types.Object', use_shapekey: bool):
    """Load the contents of a mesh into the bmesh. this bmop is private, it’s reserved exclusively for entering editmode. 

    :param bm: The bmesh to operate on. 
    :type bm: 'bmesh.types.BMesh'
    :param mesh: Undocumented. 
    :type mesh: 'bpy.types.Mesh'
    :param object: Undocumented. 
    :type object: 'bpy.types.Object'
    :param use_shapekey: load active shapekey coordinates into verts 
    :type use_shapekey: bool
    """
    pass
