Module ModuleType.U
type expr = | Path of Odoc_xref2.Cpath.module_type| Signature of Odoc_xref2.Component.Signature.t| With of Odoc_xref2.Component.ModuleType.substitution list * Odoc_xref2.Component.ModuleType.U.expr| TypeOf of Odoc_xref2.Component.ModuleType.type_of_desc * Odoc_xref2.Cpath.module_| Strengthen of Odoc_xref2.Component.ModuleType.U.expr * Odoc_xref2.Cpath.module_ * bool