import DataLoader, { BatchLoadFn } from 'dataloader';
import type { Container } from './container';
import type { Got } from 'got';
export declare abstract class Service<C extends Container> {
    protected cnt: C;
    constructor(cnt: C);
}
export declare abstract class GotService<C extends Container> extends Service<C> {
    protected abstract got: Got;
}
export declare abstract class GraphQLService<C extends Container> extends GotService<C> {
}
export declare abstract class DataLoaderService<K, V> {
    abstract batchLoadFn: BatchLoadFn<K, V>;
    private _loader;
    protected get loader(): DataLoader<K, V, K>;
}
export declare type DerivedServiceClass<C extends Container, S extends Service<C>> = Pick<typeof Service<C>, keyof typeof Service<C>> & (new (...args: ConstructorParameters<typeof Service<C>>) => S);