GraohQL Spec

type __Schema {
  description: String
  types: [__Type!]!
  queryType: __Type!
  mutationType: __Type
  subscriptionType: __Type
  directives: [__Directive!]!
}

type __Type {
  kind: __TypeKind!
  name: String
  description: String
  # must be non-null for OBJECT and INTERFACE, otherwise null.
  fields(includeDeprecated: Boolean = false): [__Field!]
  # must be non-null for OBJECT and INTERFACE, otherwise null.
  interfaces: [__Type!]
  # must be non-null for INTERFACE and UNION, otherwise null.
  possibleTypes: [__Type!]
  # must be non-null for ENUM, otherwise null.
  enumValues(includeDeprecated: Boolean = false): [__EnumValue!]
  # must be non-null for INPUT_OBJECT, otherwise null.
  inputFields(includeDeprecated: Boolean = false): [__InputValue!]
  # must be non-null for NON_NULL and LIST, otherwise null.
  ofType: __Type
  # may be non-null for custom SCALAR, otherwise null.
  specifiedByURL: String
}

enum __TypeKind {
  SCALAR
  OBJECT
  INTERFACE
  UNION
  ENUM
  INPUT_OBJECT
  LIST
  NON_NULL
}

type __Field {
  name: String!
  description: String
  args(includeDeprecated: Boolean = false): [__InputValue!]!
  type: __Type!
  isDeprecated: Boolean!
  deprecationReason: String
}

type __InputValue {
  name: String!
  description: String
  type: __Type!
  defaultValue: String
  isDeprecated: Boolean!
  deprecationReason: String
}

type __EnumValue {
  name: String!
  description: String
  isDeprecated: Boolean!
  deprecationReason: String
}

type __Directive {
  name: String!
  description: String
  locations: [__DirectiveLocation!]!
  args(includeDeprecated: Boolean = false): [__InputValue!]!
  isRepeatable: Boolean!
}

enum __DirectiveLocation {
  QUERY
  MUTATION
  SUBSCRIPTION
  FIELD
  FRAGMENT_DEFINITION
  FRAGMENT_SPREAD
  INLINE_FRAGMENT
  VARIABLE_DEFINITION
  SCHEMA
  SCALAR
  OBJECT
  FIELD_DEFINITION
  ARGUMENT_DEFINITION
  INTERFACE
  UNION
  ENUM
  ENUM_VALUE
  INPUT_OBJECT
  INPUT_FIELD_DEFINITION
}

export declare type ValueNode =
  | VariableNode
  | IntValueNode
  | FloatValueNode
  | StringValueNode
  | BooleanValueNode
  | NullValueNode
  | EnumValueNode
  | ListValueNode
  | ObjectValueNode;

export interface GraphQLResolveInfo {
  readonly fieldName: string;
  readonly fieldNodes: ReadonlyArray<FieldNode>;
  readonly returnType: GraphQLOutputType;
  readonly parentType: GraphQLObjectType;
  readonly path: Path;
  readonly schema: GraphQLSchema;
  readonly fragments: ObjMap<FragmentDefinitionNode>;
  readonly rootValue: unknown;
  readonly operation: OperationDefinitionNode;
  readonly variableValues: {
    [variable: string]: unknown;
  };
}

export interface NameNode {
  readonly kind: Kind.NAME;
  readonly loc?: Location;
  readonly value: string;
}

export interface SelectionSetNode {
  kind: Kind.SELECTION_SET;
  loc?: Location;
  selections: ReadonlyArray<SelectionNode>;
}
export declare type SelectionNode = FieldNode | FragmentSpreadNode | InlineFragmentNode;
export interface FieldNode {
  readonly kind: Kind.FIELD;
  readonly loc?: Location;
  readonly alias?: NameNode;
  readonly name: NameNode;
  readonly arguments?: ReadonlyArray<ArgumentNode>;
  readonly directives?: ReadonlyArray<DirectiveNode>;
  readonly selectionSet?: SelectionSetNode;
}