enum __TypeKind {
# Indicates this type is a scalar.
SCALAR
# Indicates this type is an object. `fields` and `interfaces` are valid fields.
OBJECT
# Indicates this type is an interface. `fields` and `possibleTypes` are valid
# fields.
INTERFACE
# Indicates this type is a union. `possibleTypes` is a valid field.
UNION
# Indicates this type is an enum. `enumValues` is a valid field.
ENUM
# Indicates this type is an input object. `inputFields` is a valid field.
INPUT_OBJECT
# Indicates this type is a list. `ofType` is a valid field.
LIST
# Indicates this type is a non-null. `ofType` is a valid field.
NON_NULL
}