import { type VirtualResponse } from './virtual-content';
import { ModuleRequest, type RequestAdapter, type RequestAdapterCreate, type Resolution } from './module-request';
import type { Resolver } from './module-resolver';
export declare class NodeRequestAdapter implements RequestAdapter<Resolution<NodeResolution, Error>> {
    private resolver;
    private extensions;
    static create: RequestAdapterCreate<{
        resolver: Resolver;
        specifier: string;
        fromFile: string;
        extensions: string[];
    }, Resolution<NodeResolution, Error>>;
    private constructor();
    get debugType(): string;
    notFoundResponse(request: ModuleRequest<Resolution<NodeResolution, Error>>): Resolution<NodeResolution, Error>;
    virtualResponse(_request: ModuleRequest<Resolution<NodeResolution, Error>>, virtual: VirtualResponse): Resolution<NodeResolution, Error>;
    resolve(request: ModuleRequest<Resolution<NodeResolution, Error>>): Promise<Resolution<NodeResolution, Error>>;
}
type NodeResolution = {
    type: 'virtual';
    filename: string;
    content: string;
} | {
    type: 'real';
    filename: string;
};
type NodeResolutionError = {
    type: 'not_found';
    err: Error;
};
export interface NodeResolveOpts {
    extensions?: string[];
}
export declare function nodeResolve(resolver: Resolver, specifier: string, fromFile: string, opts?: NodeResolveOpts): Promise<NodeResolution | NodeResolutionError>;
export {};