import { GraphQLSchema } from 'graphql';
import { GqlModuleOptions } from './interfaces';
import { GraphQLSchemaFactory } from './schema-builder/graphql-schema.factory';
import { FileSystemHelper } from './schema-builder/helpers/file-system.helper';
import { ScalarsExplorerService } from './services';
export declare class GraphQLSchemaBuilder {
    private readonly scalarsExplorerService;
    private readonly gqlSchemaFactory;
    private readonly fileSystemHelper;
    constructor(scalarsExplorerService: ScalarsExplorerService, gqlSchemaFactory: GraphQLSchemaFactory, fileSystemHelper: FileSystemHelper);
    build(autoSchemaFile: string | boolean, options: GqlModuleOptions, resolvers: Function[]): Promise<any>;
    buildFederatedSchema(autoSchemaFile: string | boolean, options: GqlModuleOptions, resolvers: Function[]): Promise<GraphQLSchema>;
    private buildSchema;
    private loadFederationDirectives;
}