pkg debug/dwarf, type UnsupportedType struct, embedded CommonType
pkg debug/dwarf, type UnsupportedType struct, Tag Tag
pkg debug/elf, type Symbol struct, Library string
pkg debug/elf, type Symbol struct, Version string
pkg encoding/csv, method (*ParseError) Unwrap() error
pkg encoding/json, method (*MarshalerError) Unwrap() error
pkg errors, func As(error, interface{}) bool
pkg errors, func Is(error, error) bool
pkg errors, func Unwrap(error) error

pkg database/sql/driver, type Stmt interface, Query //deprecated
pkg debug/gosym, method (*LineTable) LineToPC //deprecated
pkg debug/gosym, method (*LineTable) PCToLine //deprecated
pkg encoding/csv, type Reader struct, TrailingComma //deprecated
pkg encoding/csv, var ErrTrailingComma //deprecated
pkg encoding/json, type InvalidUTF8Error //deprecated
pkg encoding/json, type UnmarshalFieldError //deprecated
pkg go/build, const AllowBinary //deprecated