Add (TFieldDefs)

AddFieldDef (TFieldDefs)

Assign (TFieldDefs)

create (TDefCollection)

Create (TFieldDefs)

pt 

FieldDefClass (TFieldDefs)

Find (TDefCollection)

Find (TFieldDefs)

GetItemNames (TDefCollection)

IndexOf (TDefCollection)

MakeNameUnique (TFieldDefs)

pt 

SetItemName (TDefCollection)

Update (TFieldDefs)