import { GraphQLResolveInfo, GraphQLSchema, GraphQLTypeResolver, GraphQLIsTypeOfFn } from 'graphql';
import { StitchingInfo } from '@graphql-tools/delegate';
export declare type IMiddlewareFragment = string;
export declare type IMiddlewareResolver<TSource = any, TContext = any, TArgs = any> = (resolve: (source?: TSource, args?: TArgs, context?: TContext, info?: GraphQLResolveInfo & {
    stitchingInfo?: StitchingInfo;
}) => any, parent: TSource, args: TArgs, context: TContext, info: GraphQLResolveInfo) => Promise<any>;
export interface IMiddlewareWithOptions<TSource = any, TContext = any, TArgs = any> {
    fragment?: IMiddlewareFragment;
    fragments?: IMiddlewareFragment[];
    resolve?: IMiddlewareResolver<TSource, TContext, TArgs>;
}
export declare type IMiddlewareFunction<TSource = any, TContext = any, TArgs = any> = IMiddlewareWithOptions<TSource, TContext, TArgs> | IMiddlewareResolver<TSource, TContext, TArgs>;
export interface IMiddlewareTypeMap<TSource = any, TContext = any, TArgs = any> {
    [key: string]: IMiddlewareFunction<TSource, TContext, TArgs> | IMiddlewareFieldMap<TSource, TContext, TArgs>;
}
export interface IMiddlewareFieldMap<TSource = any, TContext = any, TArgs = any> {
    [key: string]: IMiddlewareFunction<TSource, TContext, TArgs>;
}
export declare class IMiddlewareGenerator<TSource, TContext, TArgs> {
    constructor(generator: IMiddlewareGeneratorConstructor<TSource, TContext, TArgs>);
    generate(schema: GraphQLSchema): IMiddleware<TSource, TContext, TArgs>;
}
export declare type IMiddlewareGeneratorConstructor<TSource = any, TContext = any, TArgs = any> = (schema: GraphQLSchema) => IMiddleware<TSource, TContext, TArgs>;
export declare type IMiddleware<TSource = any, TContext = any, TArgs = any> = IMiddlewareFunction<TSource, TContext, TArgs> | IMiddlewareTypeMap<TSource, TContext, TArgs>;
export declare type IApplyOptions = {
    onlyDeclaredResolvers: boolean;
};
export declare type GraphQLSchemaWithFragmentReplacements = GraphQLSchema & {
    schema?: GraphQLSchema;
    fragmentReplacements?: FragmentReplacement[];
};
export interface FragmentReplacement {
    field: string;
    fragment: string;
}
export interface IResolvers<TSource = any, TContext = any> {
    [key: string]: IResolverObject<TSource, TContext>;
}
export interface IResolverObject<TSource = any, TContext = any> {
    [key: string]: IFieldResolver<TSource, TContext> | IResolverOptions<TSource, TContext>;
}
export interface IResolverOptions<TSource = any, TContext = any> {
    fragment?: string;
    fragments?: string[];
    resolve?: IFieldResolver<TSource, TContext>;
    subscribe?: IFieldResolver<TSource, TContext>;
    __resolveType?: GraphQLTypeResolver<TSource, TContext>;
    __isTypeOf?: GraphQLIsTypeOfFn<TSource, TContext>;
}
export declare type IFieldResolver<TSource, TContext> = (source: TSource, args: {
    [argument: string]: any;
}, context: TContext, info: GraphQLResolveInfo & {
    stitchingInfo?: StitchingInfo;
}) => any;