import * as Knex from "knex";
import { MappedOperation } from "./MappedOperation";
import { OperationResolver } from "./OperationResolver";
import { GraphQLFieldConfigArgumentMap } from "graphql";
import { InvocationMapping, InvocationParam } from "./InvocationMapping";
import { ResolverContext } from "./ResolverContext";
import { OperationType } from "./operation-types";
export declare class MappedUDFInvocationOperation<TArgs extends {}> extends MappedOperation<TArgs> {
    readonly mapping: InvocationMapping<TArgs>;
    constructor(mapping: InvocationMapping<TArgs>);
    get operationType(): OperationType.Query | OperationType.Query | OperationType | OperationType.Subscription;
    get defaultArgs(): GraphQLFieldConfigArgumentMap;
    get type(): import("graphql").GraphQLOutputType;
    get connector(): Knex;
    get procedureName(): string;
    deriveParams(args: TArgs): InvocationParam[];
    deriveResult(output: any): any;
    defaultResolver<TResolved>(ctx: ResolverContext<MappedUDFInvocationOperation<TArgs>, TArgs>): OperationResolver<any, TArgs, TResolved>;
}
export declare const mapUserDefinedFunction: <TArgs>(mapping: InvocationMapping<TArgs>) => MappedUDFInvocationOperation<TArgs>;