import { DocumentNode, GraphQLSchema } from 'graphql';
import { AppBase } from './app-base';
import { AppBaseInitParams } from './app-seed';
export type AppGraphQlInitParams = AppBaseInitParams & {
    schema: any;
    resolvers: any;
    addonDirectiveTransformers?: ((schema: GraphQLSchema) => GraphQLSchema)[];
    addonDirectiveTypeDefs?: DocumentNode[];
};
export declare abstract class AppGraphQl extends AppBase {
    private readonly APOLLO_SUBGRAPH;
    private readonly DEBUG_PUBSUB;
    init(params: AppGraphQlInitParams): Promise<this>;
    private getPubSubContext;
    start(): Promise<this>;
    private context;
    private formatError;
}