import { GraphQLSchema } from 'graphql';
import { ITypeDefinitions, IResolvers, IResolverValidationOptions, IDirectiveResolvers, SchemaDirectiveVisitorClass, GraphQLParseOptions, PruneSchemaOptions } from '@graphql-tools/utils';
export interface ILogger {
    log: (error: Error) => void;
}
/**
 * Configuration object for creating an executable schema
 */
export interface IExecutableSchemaDefinition<TContext = any> {
    /**
     * The type definitions used to create the schema
     */
    typeDefs: ITypeDefinitions;
    /**
     * Object describing the field resolvers for the provided type definitions
     */
    resolvers?: IResolvers<any, TContext> | Array<IResolvers<any, TContext>>;
    /**
     * Logger instance used to print errors to the server console that are
     * usually swallowed by GraphQL.
     */
    logger?: ILogger;
    /**
     * Set to `false` to have resolvers throw an if they return undefined, which
     * can help make debugging easier
     */
    allowUndefinedInResolve?: boolean;
    /**
     * Additional options for validating the provided resolvers
     */
    resolverValidationOptions?: IResolverValidationOptions;
    /**
     * Map of directive resolvers
     */
    directiveResolvers?: IDirectiveResolvers<any, TContext>;
    /**
     * A map of schema directives used with the legacy class-based implementation
     * of schema directives
     */
    schemaDirectives?: Record<string, SchemaDirectiveVisitorClass>;
    /**
     * An array of schema transformation functions
     */
    schemaTransforms?: ExecutableSchemaTransformation[];
    /**
     * Additional options for parsing the type definitions if they are provided
     * as a string
     */
    parseOptions?: GraphQLParseOptions;
    /**
     * GraphQL object types that implement interfaces will inherit any missing
     * resolvers from their interface types defined in the `resolvers` object
     */
    inheritResolversFromInterfaces?: boolean;
    /**
     * Additional options for removing unused types from the schema
     */
    pruningOptions?: PruneSchemaOptions;
    /**
     * Do not create a schema again and use the one from `buildASTSchema`
     */
    updateResolversInPlace?: boolean;
    /**
     * Do not extract and apply extensions separately and leave it to `buildASTSchema`
     */
    noExtensionExtraction?: boolean;
}
export declare type ExecutableSchemaTransformation = (schema: GraphQLSchema) => GraphQLSchema;