import { DocumentNode } from 'graphql';

interface FragmentDefinition<TData = unknown, TVars extends Record<string, unknown> = Record<string, unknown>> {
    document: DocumentNode;
    name: string;
    __data?: TData;
    __variables?: TVars;
}
declare function fragment<TData, TVars extends Record<string, unknown> = Record<string, unknown>>(strings: TemplateStringsArray, ...values: string[]): FragmentDefinition<TData, TVars>;
declare function getFragment<TData, TVars extends Record<string, unknown> = Record<string, unknown>>(def: FragmentDefinition<TData, TVars>): DocumentNode;
declare function spread<TData, TVars extends Record<string, unknown> = Record<string, unknown>>(def: FragmentDefinition<TData, TVars>): string;
declare function compose(...defs: FragmentDefinition[]): DocumentNode;
type FragmentKey<TData> = Readonly<Record<` ${string}`, TData>>;
/** Inline typed fragment with optional phantom type params */
interface TypedDoc {
    __resultType?: unknown;
    __variablesType?: Record<string, unknown>;
}
declare function useFragment<TData>(_fragment: FragmentDefinition<TData> | TypedDoc, data: TData | null | undefined): TData | null;
declare function useFragment<TData>(_fragment: FragmentDefinition<TData> | TypedDoc, data: FragmentKey<TData> | null | undefined): TData | null;

export { compose, fragment, getFragment, spread, useFragment };
export type { FragmentDefinition };