import type { IncomingHttpHeaders } from 'node:http';
import type { GraphPointer } from 'clownface';
import type { DatasetCore, NamedNode } from '@rdfjs/types';
import type { KopflosEnvironment } from './env/index.js';
import type { Kopflos, KopflosResponse, Body, Query, ResultEnvelope } from './Kopflos.js';
import type { ResourceShapeMatch } from './resourceShape.js';
import type { HttpMethod } from './httpMethods.js';
type Dataset = ReturnType<KopflosEnvironment['dataset']>;
export interface HandlerArgs<D extends DatasetCore = Dataset> {
    method: string;
    resourceShape: GraphPointer<NamedNode, D>;
    handler: GraphPointer;
    env: KopflosEnvironment;
    subject: GraphPointer<NamedNode, D>;
    subjectVariables: Record<string, string>;
    property: NamedNode | undefined;
    object: GraphPointer<NamedNode, D> | undefined;
    body: Body<D>;
    query: Query;
    headers: IncomingHttpHeaders;
}
export interface SubjectHandler {
    (arg: HandlerArgs, response?: ResultEnvelope): KopflosResponse | Promise<KopflosResponse>;
}
export interface ObjectHandler {
    (arg: Required<HandlerArgs>, response?: ResultEnvelope): KopflosResponse | Promise<KopflosResponse>;
}
export type Handler = SubjectHandler | ObjectHandler;
export interface HandlerLookup {
    (match: ResourceShapeMatch, method: HttpMethod, kopflos: Kopflos): {
        pointer: GraphPointer;
        implementation: Array<Promise<Handler> | Handler>;
    } | undefined;
}
export declare const loadHandlers: HandlerLookup;
export {};