import { WorkspaceFolder } from 'vscode-languageserver-types';
import { RequestHandler0, NotificationHandler, HandlerResult, CancellationToken } from 'vscode-jsonrpc';
import { MessageDirection, ProtocolRequestType0, ProtocolNotificationType } from './messages';
export interface WorkspaceFoldersInitializeParams {
    /**
     * The workspace folders configured in the client when the server starts.
     *
     * This property is only available if the client supports workspace folders.
     * It can be `null` if the client supports workspace folders but none are
     * configured.
     *
     * @since 3.6.0
     */
    workspaceFolders?: WorkspaceFolder[] | null;
}
export interface WorkspaceFoldersServerCapabilities {
    /**
     * The server has support for workspace folders
     */
    supported?: boolean;
    /**
     * Whether the server wants to receive workspace folder
     * change notifications.
     *
     * If a string is provided the string is treated as an ID
     * under which the notification is registered on the client
     * side. The ID can be used to unregister for these events
     * using the `client/unregisterCapability` request.
     */
    changeNotifications?: string | boolean;
}
/**
 * The `workspace/workspaceFolders` is sent from the server to the client to fetch the open workspace folders.
 */
export declare namespace WorkspaceFoldersRequest {
    const method: 'workspace/workspaceFolders';
    const messageDirection: MessageDirection;
    const type: ProtocolRequestType0<WorkspaceFolder[] | null, never, void, void>;
    type HandlerSignature = RequestHandler0<WorkspaceFolder[] | null, void>;
    type MiddlewareSignature = (token: CancellationToken, next: HandlerSignature) => HandlerResult<WorkspaceFolder[] | null, void>;
}
/**
 * The `workspace/didChangeWorkspaceFolders` notification is sent from the client to the server when the workspace
 * folder configuration changes.
 */
export declare namespace DidChangeWorkspaceFoldersNotification {
    const method: 'workspace/didChangeWorkspaceFolders';
    const messageDirection: MessageDirection;
    const type: ProtocolNotificationType<DidChangeWorkspaceFoldersParams, void>;
    type HandlerSignature = NotificationHandler<DidChangeWorkspaceFoldersParams>;
    type MiddlewareSignature = (params: DidChangeWorkspaceFoldersParams, next: HandlerSignature) => void;
}
/**
 * The parameters of a `workspace/didChangeWorkspaceFolders` notification.
 */
export interface DidChangeWorkspaceFoldersParams {
    /**
     * The actual workspace folder change event.
     */
    event: WorkspaceFoldersChangeEvent;
}
/**
 * The workspace folder change event.
 */
export interface WorkspaceFoldersChangeEvent {
    /**
     * The array of added workspace folders
     */
    added: WorkspaceFolder[];
    /**
     * The array of the removed workspace folders
     */
    removed: WorkspaceFolder[];
}