import { CancellationToken, MarkupKind, SignatureHelp, SignatureHelpContext } from 'vscode-languageserver';
import { DocStringService } from '../common/docStringService';
import { ProgramView } from '../common/extensibility';
import { Position } from '../common/textRange';
import { Uri } from '../common/uri/uri';
export declare class SignatureHelpProvider {
    private _program;
    private _fileUri;
    private _position;
    private _format;
    private _hasSignatureLabelOffsetCapability;
    private _hasActiveParameterCapability;
    private _context;
    private _docStringService;
    private _token;
    private readonly _parseResults;
    private readonly _sourceMapper;
    constructor(_program: ProgramView, _fileUri: Uri, _position: Position, _format: MarkupKind, _hasSignatureLabelOffsetCapability: boolean, _hasActiveParameterCapability: boolean, _context: SignatureHelpContext | undefined, _docStringService: DocStringService, _token: CancellationToken);
    getSignatureHelp(): SignatureHelp | undefined;
    private get _evaluator();
    private _getSignatureHelp;
    private _convert;
    private _makeSignature;
    private _getDocStringFromCallNode;
}