const (
    KeywordKey          = "__key__"
    KeywordCurrent      = "__current__"
    KeywordNoIndex      = "__noindex__"
    KeywordNoIndexValue = "noindex"

    KeywordString   = "__string__"
    KeywordDatetime = "__datetime__"
    KeywordInteger  = "__integer__"
    KeywordInt      = "__int__"
    KeywordFloat    = "__float__"
    KeywordBoolean  = "__boolean__"
    KeywordBool     = "__bool__"
    KeywordGeo      = "__geo__"
    KeywordArray    = "__array__"
    KeywordEmbed    = "__embed__"
    KeywordBlob     = "__blob__"
    KeywordNull     = "__null__"
)

const (
    TypeString   = DatastoreType("string")
    TypeDatetime = DatastoreType("datetime")
    TypeInteger  = DatastoreType("integer")
    TypeInt      = DatastoreType("int")
    TypeFloat    = DatastoreType("float")
    TypeBoolean  = DatastoreType("boolean")
    TypeBool     = DatastoreType("bool")
    TypeKey      = DatastoreType("key")
    TypeGeo      = DatastoreType("geo")
    TypeArray    = DatastoreType("array")
    TypeEmbed    = DatastoreType("embed")
    TypeBlob     = DatastoreType("blob")
    TypeNull     = DatastoreType("null")
    TypeNil      = DatastoreType("<nil>")
)

const (
    // MaxBatchSize The number of entities per one multi upsert operation
    MaxBatchSize = 500
)

type DatastoreType string

type Default map[string]interface{}

type Entity map[string]interface{}

type FileParser interface {
    ReadFile(filename string) error
    Parse(kind string) (*[]datastore.Entity, error)
}

type KindData struct {
    Scheme   Scheme   `yaml:"scheme,omitempty"`
    Default  Default  `yaml:"default,omitempty"`
    Entities []Entity `yaml:"entities,omitempty"`
}

type Parser struct {
    // contains filtered or unexported fields
}

type Properties map[string]interface{}

type Scheme struct {
    Namespace  string     `yaml:"namespace,omitempty"`
    Kind       string     `yaml:"kind,omitempty"`
    Key        string     `yaml:"key,omitempty"`
    TimeFormat string     `yaml:"time-format,omitempty"` // used for time.ParseInLocation()
    TimeLocale string     `yaml:"time-locale,omitempty"` // used for time.ParseInLocation()
    Properties Properties `yaml:"properties,omitempty"`
}

type TypeStyle string

type YAMLParser struct {
    // contains filtered or unexported fields
}