anchor.diff:      member FindByName: string -> ILMethodDef list
   
   /// Field definitions.
  +///
  +/// This type is immutable and record-like.  We use a class to get control over the representation
  +/// used, which allows more efficient representation of the information.
   [<NoComparison; NoEquality>]
   type ILFieldDef = 
  +
  +    /// Functional creation of a value
       new: name: string * fieldType: ILType * attributes: FieldAttributes * data: byte[] option * literalValue: ILFieldInit option * offset:  int32 option * marshal: ILNativeType option * customAttrs: ILAttributes -> ILFieldDef
  -    member With: ?name: string * ?fieldType: ILType * ?attributes: FieldAttributes * ?data: byte[] option * ?literalValue: ILFieldInit option * ?offset:  int32 option * ?marshal: ILNativeType option * ?customAttrs: ILAttributes -> ILFieldDef
  +
       member Name: string
       member FieldType: ILType
       member Attributes: FieldAttributes
       member Data:  byte[] option
       member LiteralValue: ILFieldInit option  
  +
       /// The explicit offset in bytes when explicit layout is used.
       member Offset:  int32 option 
       member Marshal: ILNativeType option 
  
positive.code:     member NotSerialized: bool
      member IsInitOnly: bool
      member Access: ILMemberAccess
      member WithAccess: ILMemberAccess -> ILFieldDef
      member WithInitOnly: bool -> ILFieldDef
      member WithStatic: bool -> ILFieldDef
  
negative.code:     member LookupByName: string -> ILFieldDef list
  
  /// Event definitions.
  ///
  /// This type is immutable and record-like.  We use a class to get control over the representation
  /// used, which allows more efficient representation of the information.
  [<NoComparison; NoEquality>]
  type ILEventDef =
  
      /// Functional creation of a value
      new: eventType: ILType option * name: string * attributes: EventAttributes * addMethod: ILMethodRef * removeMethod: ILMethodRef * fireMethod: ILMethodRef option * otherMethods: ILMethodRef list * customAttrs: ILAttributes -> ILEventDef
  
      member EventType: ILType option
      member Name: string
      member Attributes: EventAttributes
  