TypeConversionDescriptorBase (final PsiType from, final PsiType to, final PsiMember member, final PsiExpression context, final TypeMigrationLabeler labeler) { for (TypeConversionRule descriptor : myConversionRules) { final TypeConversionDescriptorBase conversion = descriptor.findConversion(from, to, member, context, labeler); if (conversion != null) return conversion; } return null; }