import { DataStorage } from '../utility/dataStorage';
import { ProjectSource } from './api';
export interface EditorHistoryConfig {
    storage: DataStorage;
}
export interface ProjectHistoryConfig {
    id: string;
    storage: DataStorage;
}
/**
 * Track historical events in the editor.
 *
 * Uses a project identifier to store the history in the storage.
 *
 * Example identifiers: `local`, `gh/blinkk/project`.
 *
 * Usage:
 *
 * ```
 * const editorHistory = new EditorHistory({
 *   storage: storage,
 * });
 * const projectHistory = editorHistory.getProject('local');
 * projectHistory.recentWorkspaces;
 * ```
 *
 * The history is also used to store history of the general access
 * of projects.
 *
 * ```
 * const recentProjects = editorHistory.recentProjects;
 * ```
 */
export declare class EditorHistory {
    config: EditorHistoryConfig;
    constructor(config: EditorHistoryConfig);
    /**
     * Adds a project data to the history of recent projects.
     *
     * @param project Project information to add to the history.
     * @returns Updated recent project history.
     */
    addRecentProject(project: RecentProjectData): Array<RecentProjectData>;
    /**
     * Retrieve the project specific history data.
     */
    getProject(projectId: string): ProjectHistory;
    /**
     * Retrieve the recent projects.
     */
    get recentProjects(): Array<RecentProjectData>;
}
export declare class ProjectHistory {
    config: ProjectHistoryConfig;
    data: ProjectHistoryData;
    constructor(config: ProjectHistoryConfig);
    /**
     * Adds file data to the history of the project.
     *
     * @param workspace Workspace name the file belongs to.
     * @param file File information to add to the history.
     * @returns Updated recent file history.
     */
    addRecentFile(workspace: string, file: RecentFileData): Array<RecentFileData>;
    /**
     * Adds workspace to the history of the project.
     *
     * @param workspace Workspace information to add to the history.
     * @returns Updated recent file history.
     */
    addRecentWorkspace(workspace: RecentWorkspaceData): Array<RecentWorkspaceData>;
    getRecentFiles(workspace: string): Array<RecentFileData>;
    getRecentWorkspaces(): Array<RecentWorkspaceData>;
    save(): void;
}
export interface ProjectHistoryData {
    recentFiles?: Record<string, Array<RecentFileData>>;
    recentWorkspaces?: Array<RecentWorkspaceData>;
}
export interface RecentProjectData {
    /**
     * Project identifier.
     *
     * ex: `local`, `blinkk/project`
     */
    identifier: string;
    /**
     * Source of the project.
     */
    source?: ProjectSource | string;
    /**
     * Label for displaying the project to the user.
     */
    label: string;
    /**
     * Avatar url for the project.
     */
    avatarUrl?: string;
    /**
     * Timestamp of last date visited
     */
    lastVisited: string;
}
export interface RecentFileData {
    /**
     * Path for the file.
     */
    path: string;
    /**
     * Timestamp of last date visited
     */
    lastVisited: string;
}
export interface RecentWorkspaceData {
    /**
     * Name of the workspace.
     */
    name: string;
    /**
     * Timestamp of last date visited
     */
    lastVisited: string;
}