4285   typedef MDFieldImpl ImplTy;  typedef
4303   typedef MDEitherFieldImpl<FieldTypeA, FieldTypeB> ImplTy;  typedef
4335       : ImplTy(Default), Max(Max) {}  in MDUnsignedField()
4394   MDAPSIntField() : ImplTy(APSInt()) {}  in MDAPSIntField()
4402       : ImplTy(Default) {}  in MDSignedField()
4404       : ImplTy(Default), Min(Min), Max(Max) {}  in MDSignedField()
4408   MDBoolField(bool Default = false) : ImplTy(Default) {}  in MDBoolField()
4414   MDField(bool AllowNull = true) : ImplTy(nullptr), AllowNull(AllowNull) {}  in MDField()
4420       : ImplTy(nullptr), AllowEmpty(AllowEmpty) {}  in MDStringField()
4424   MDFieldList() : ImplTy(SmallVector<Metadata *, 4>()) {}  in MDFieldList()
4428   ChecksumKindField(DIFile::ChecksumKind CSKind) : ImplTy(CSKind) {}  in ChecksumKindField()
4433       : ImplTy(MDSignedField(Default), MDField(AllowNull)) {}  in MDSignedOrMDField()
4437       : ImplTy(MDSignedField(Default, Min, Max), MDField(AllowNull)) {}  in MDSignedOrMDField()