# groups of elements
# @param dimension - defines type of boundary elements to create, either of
# { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
# @param groupName - a name of group to store all boundary elements in,
# "" means not to create the group
# groups of elements
# @param dimension - defines type of boundary elements to create, either of
# { SMESH.BND_2DFROM3D, SMESH.BND_1DFROM3D, SMESH.BND_1DFROM2D }
# @param groupName - a name of group to store all boundary elements in,
# "" means not to create the group