introspection

type Arg struct {
	// Name is a schema defined argument name
	Name string `json:"name,omitempty"`
	// Description is a schema defined argument description
	Description string `json:"description,omitempty"`
	// Type is a type or type reference defined by schema
	Type         Type   `json:"type,omitempty"`
	DefaultValue string `json:"defaultValue,omitempty"`
}

type Field struct {
	// Args is a list of arguments for a field defined by schema
	Args []Arg `json:"args,omitempty"`
	// Name is a field name defined by schema
	Name string `json:"name,omitempty"`
	// Type is a type or type reference defined by schema
	Type Type `json:"type,omitempty"`
	// Description is a schema defined argument description
	Description string `json:"description,omitempty"`
}

type Schema struct {
	// Types defined in schema
	Types []Type `json:"types,omitempty"`
	// QueryType is a reference to a type of query root operation
	QueryType Type `json:"queryType"`
	// MutationType is a reference to a type of mutation root operation
	MutationType Type `json:"mutationType,omitempty"`
	// SubscriptionType is a reference to a type of subscription root operation
	SubscriptionType Type `json:"subscriptionType,omitempty"`
}

type Type struct {
	// Name is a type or type reference name
	Name string `json:"name,omitempty"`
	// Fields is a list of fields for this type, defined by schema
	// Object and Interface only
	Fields []Field `json:"fields,omitempty"`
	// Kind is a type kind, refer to https://godoc.org/github.com/graphql-go/graphql#pkg-constants
	// for valid list of type kinds
	Kind string `json:"kind,omitempty"`
	// Description is a schema defined argument description
	Description string `json:"description,omitempty"`
	// PossibleTypes is a list of possible types defined by schema
	// only valid for Union and Interface kidns
	PossibleTypes []Type `json:"possibleTypes,omitempty"`
	// OfType is a type reference which this type wraps
	// only valid for NonNull and List type kinds
	OfType *Type `json:"ofType,omitempty"`
}