pkg encoding/gob, func NewDecoder(io.Reader) *Decoder
pkg encoding/gob, func NewEncoder(io.Writer) *Encoder
pkg encoding/gob, func Register(interface{})
pkg encoding/gob, func RegisterName(string, interface{})
pkg encoding/gob, method (*Decoder) Decode(interface{}) error
pkg encoding/gob, method (*Decoder) DecodeValue(reflect.Value) error
pkg encoding/gob, method (*Encoder) Encode(interface{}) error

pkg encoding/binary, const MaxVarintLen32 = 5
pkg encoding/binary, const MaxVarintLen64 = 10
pkg encoding/csv, method (*Writer) Error() error
pkg encoding/json, method (*Decoder) Buffered() io.Reader
pkg encoding/json, method (*Decoder) UseNumber()
pkg encoding/json, method (Number) Float64() (float64, error)
pkg encoding/json, method (Number) Int64() (int64, error)
pkg encoding/json, method (Number) String() string

pkg encoding/xml, type MarshalerAttr interface, MarshalXMLAttr(Name) (Attr, error)
pkg encoding/xml, type Unmarshaler interface { UnmarshalXML }
pkg encoding/xml, type Unmarshaler interface, UnmarshalXML(*Decoder, StartElement) error
pkg encoding/xml, type UnmarshalerAttr interface { UnmarshalXMLAttr }
pkg encoding/xml, type UnmarshalerAttr interface, UnmarshalXMLAttr(Attr) error
pkg flag, type Getter interface { Get, Set, String }