import { SelectionSet } from "apollo-codegen-core/lib/compiler";
import { Set } from "immutable";
import { GraphQLInputType } from "graphql";
export declare type List<T> = {
    kind: "List";
    ofType: T;
};
export declare type Maybe<T> = {
    kind: "Maybe";
    ofType: T;
};
export declare type Typename = {
    kind: "Typename";
    possibleTypes: Set<string>;
};
export declare const Typename: (possibleTypes: Set<string>) => Typename;
export declare type Field = {
    name: string;
    type: OutputType | Typename;
};
export declare type FragmentReference = {
    kind: "FragmentReference";
    name: string;
    possibleTypes: Set<string>;
};
export declare type InlineSelection = {
    kind: "InlineSelection";
    possibleTypes: Set<string>;
    intersections: FragmentReference[];
    fields: Field[];
    booleanConditions: FragmentOrSelection[];
    typeConditions: FragmentOrSelection[];
};
export declare type FragmentOrSelection = FragmentReference | InlineSelection;
export declare type InputObject = {
    kind: "InputObject";
    name: string;
};
export declare type Enum = {
    kind: "Enum";
    name: string;
    values: string[];
};
export declare type Scalar = {
    kind: "Scalar";
    name: string;
    isTypename: boolean;
};
export declare type Leaf = Enum | Scalar;
export interface MaybeType<T> extends Maybe<Type<T>> {
}
export interface ListType<T> extends List<Type<T>> {
}
export declare type Type<T> = T | MaybeType<T> | ListType<T>;
export declare type OutputType = Type<FragmentOrSelection | Leaf>;
export declare type InputType = Type<InputObject | Leaf>;
export declare const List: <T>(ofType: T) => List<T>;
export declare const Maybe: <T>(ofType: T) => Maybe<T>;
export declare const InputType: (type: GraphQLInputType) => Type<Enum | Scalar | InputObject>;
export declare const FragmentReference: (name: string, possibleTypes: Set<string>) => FragmentReference;
export declare const InlineSelection: (selectionSet: SelectionSet) => InlineSelection;
export declare const AnyObject: (selectionSet: SelectionSet) => FragmentOrSelection;