# All property introductions and redefinitions in `self` (not inheritance).
var mpropdefs = new Array[MPropDef]
# All property introductions and redefinitions in `self` (not inheritance).
var mpropdefs = new Array[MPropDef]
# All property introductions and redefinitions (not inheritance) in `self` by its associated property.
var mpropdefs_by_property = new HashMap[MProperty, MPropDef]
# All property introductions and redefinitions (not inheritance) in `self` by its associated property.
var mpropdefs_by_property = new HashMap[MProperty, MPropDef]