iface

type Cursor interface {
	String() string
}

type Iterator interface {
	Next(dst interface{}) (Key, error)
	Cursor() (Cursor, error)
}

type Key interface {
	AppID() string
	Encode() string
	Equal(o Key) bool
	GobDecode(buf []byte) error
	GobEncode() ([]byte, error)
	Incomplete() bool
	IntID() int64
	Kind() string
	MarshalJSON() ([]byte, error)
	Namespace() string
	Parent() Key
	String() string
	StringID() string
	UnmarshalJSON(buf []byte) error
}

type Query interface {
	Ancestor(ancestor Key) Query
	Count() (int, error)
	Distinct() Query
	EventualConsistency() Query
	Filter(filterStr string, value interface{}) Query
	KeysOnly() Query
	Limit(limit int) Query
	Offset(offset int) Query
	Order(fieldName string) Query
	Project(fieldNames ...string) Query
	Run() Iterator
	Start(c Cursor) Query
	End(c Cursor) Query
	ByKey(key Key, dst interface{}) (Key, bool, error)
	ById(id string, dst interface{}) (Key, bool, error)
	IdExists(id string) (Key, bool, error)
	KeyExists(key Key) (bool, error)
	First(dst interface{}) (Key, bool, error)
	FirstKey() (Key, bool, error)
	GetAll(dst interface{}) ([]Key, error)
	GetModels(dst interface{}) error
	GetKeys() ([]Key, error)
}