import { MappedDataSource } from "./MappedDataSource";
import { MultiSelection, MultiSelectionItem, Dict } from "./utils/util-types";
import { MappedAssociation } from "./MappedAssociation";
import { GraphQLResolveInfo } from "graphql";
import { ResolveInfoVisitor } from "./ResolveInfoVisitor";
import { MappedSourceAwareOperation } from "./MappedSourceAwareOperation";
import { SourceAwareResolverContext } from "./SourceAwareResolverContext";
export declare type DataSourceTypes<TOp extends MappedMultiSourceOperation<TSrc, TArgs>, TSrc extends MappedDataSource, TArgs extends {}> = {
    [K in keyof ReturnType<TOp["mapping"]["dataSources"]>]: ReturnType<ReturnType<TOp["mapping"]["dataSources"]>[K]["selection"]>;
};
export declare abstract class MappedMultiSourceOperation<TSrc extends MappedDataSource, TArgs extends object> extends MappedSourceAwareOperation<TSrc, TArgs> {
    readonly mapping: MappedSourceAwareOperation<TSrc, TArgs>["mapping"] & {
        dataSources: <TCtx extends SourceAwareResolverContext<MappedMultiSourceOperation<TSrc, TArgs>, TSrc, TArgs>>() => MultiSelection<TSrc, TCtx, MultiSelectionItem<TSrc, TCtx> & {
            deriveWhereParams?: (args: TArgs, association?: MappedAssociation) => Dict;
        }>;
    };
    constructor(mapping: MappedSourceAwareOperation<TSrc, TArgs>["mapping"] & {
        dataSources: <TCtx extends SourceAwareResolverContext<MappedMultiSourceOperation<TSrc, TArgs>, TSrc, TArgs>>() => MultiSelection<TSrc, TCtx, MultiSelectionItem<TSrc, TCtx> & {
            deriveWhereParams?: (args: TArgs, association?: MappedAssociation) => Dict;
        }>;
    });
    get supportsMultipleDataSources(): boolean;
    createResolverContext(source: any, args: TArgs, context: any, resolveInfo: GraphQLResolveInfo, resolveInfoVisitor?: ResolveInfoVisitor<any>): Promise<SourceAwareResolverContext<MappedMultiSourceOperation<TSrc, TArgs>, TSrc, TArgs>>;
    iterateDataSources<TCtx extends SourceAwareResolverContext<MappedMultiSourceOperation<TSrc, TArgs>, TSrc, TArgs>>(resolverContext: TCtx): AsyncGenerator<{
        key: string;
        dataSource: TSrc;
        dataSourceConfig: {
            selection: () => TSrc;
            deriveWhereParams?: ((args: TArgs, association?: MappedAssociation<any, any> | undefined) => Dict<any>) | undefined;
        };
    }, void, unknown>;
}