import type { AbstractServiceOptions, Accountability, GQLScope, GraphQLParams, Item, PrimaryKey, Query, SchemaOverview } from '@directus/types';
import type { FormattedExecutionResult, GraphQLSchema } from 'graphql';
import type { Knex } from 'knex';
export declare class GraphQLService {
    accountability: Accountability | null;
    knex: Knex;
    schema: SchemaOverview;
    scope: GQLScope;
    constructor(options: AbstractServiceOptions & {
        scope: GQLScope;
    });
    /**
     * Execute a GraphQL structure
     */
    execute({ document, variables, operationName, contextValue, }: GraphQLParams): Promise<FormattedExecutionResult>;
    /**
     * Generate the GraphQL schema. Pulls from the schema information generated by the get-schema util.
     */
    getSchema(): Promise<GraphQLSchema>;
    getSchema(type: 'schema'): Promise<GraphQLSchema>;
    getSchema(type: 'sdl'): Promise<GraphQLSchema | string>;
    /**
     * Execute the read action on the correct service. Checks for singleton as well.
     */
    read(collection: string, query: Query, id?: PrimaryKey): Promise<Partial<Item>>;
    /**
     * Upsert and read singleton item
     */
    upsertSingleton(collection: string, body: Record<string, any> | Record<string, any>[], query: Query): Promise<Partial<Item> | boolean>;
}