import { Disposable, TextDocument, ProviderResult, Position as VPosition, Definition as VDefinition, DefinitionLink as VDefinitionLink, ImplementationProvider } from 'vscode';
import { ClientCapabilities, CancellationToken, ServerCapabilities, DocumentSelector, ImplementationRegistrationOptions, ImplementationOptions } from 'vscode-languageserver-protocol';
import { TextDocumentLanguageFeature, FeatureClient } from './features.js';
export interface ProvideImplementationSignature {
    (this: void, document: TextDocument, position: VPosition, token: CancellationToken): ProviderResult<VDefinition | VDefinitionLink[]>;
}
export interface ImplementationMiddleware {
    provideImplementation?: (this: void, document: TextDocument, position: VPosition, token: CancellationToken, next: ProvideImplementationSignature) => ProviderResult<VDefinition | VDefinitionLink[]>;
}
export declare class ImplementationFeature extends TextDocumentLanguageFeature<boolean | ImplementationOptions, ImplementationRegistrationOptions, ImplementationProvider, ImplementationMiddleware> {
constructor(client: FeatureClient<ImplementationMiddleware>);
constructor(capabilities: ClientCapabilities): void;
constructor(capabilities: ServerCapabilities, documentSelector: DocumentSelector): void;
    protected registerLanguageProvider(options: ImplementationRegistrationOptions): [Disposable, ImplementationProvider];
    private registerProvider;
}