import type { App } from "../app/App";
import { StateConstructor, StateRunModeEnum, StateRunResultEnum, StateSetupGS } from "./StateContractsGS";
/** State base and the only public facade for state configuration and execution. */
export declare abstract class StateGS {
    static DefaultServerCacheMinutes: number;
    /** Whether Server App replaces this route implementation with an SPA shell placeholder. */
    static readonly IsPrivate: boolean;
    /** Configure and seal the state registry for the current application exactly once. */
    static Configure(configure: (states: StateSetupGS) => void): void;
    static Run(constructor: StateConstructor, args?: any, withHistory?: boolean): Promise<StateRunResultEnum>;
    static RunInstance(state: StateGS, args?: any, withHistory?: boolean): Promise<StateRunResultEnum>;
    static RunByName(stateName: string, args?: any, withHistory?: boolean): Promise<StateRunResultEnum>;
    static RunByUrl(event?: Event, withHistory?: boolean): Promise<StateRunResultEnum>;
    static RunByUrlArgs(args: Record<string, string>, _search?: string, event?: Event, withHistory?: boolean): Promise<StateRunResultEnum>;
    static BuildUrl(stateName: string, args?: Record<string, string>): string;
    static get ActiveState(): StateGS | undefined;
    static get UrlStateArgName(): string;
    static get DefaultStateName(): string;
    static get State404Name(): string;
    static get UrlPathName(): string;
    static get UrlFullPath(): string;
    private _name;
    private _title;
    private _active;
    private _cachePolicyResolved;
    protected readonly _urlArgs: Record<string, string>;
    private readonly _app?;
    readonly inHistory: boolean;
    serverCacheMinutes: number;
    description: string;
    canonicalUrl: string;
    robots: string;
    protected constructor(title: string, inHistory?: boolean);
    get name(): string;
    get title(): string;
    set title(value: string);
    get isActive(): boolean;
    get urlArgs(): Readonly<Record<string, string>>;
    /** Application captured when the state was created. Projects may override this getter to narrow its type. */
    protected get app(): App | undefined;
    protected overrideName(name: string): void;
    preStart(_mode: StateRunModeEnum, _args?: any): Promise<StateRunResultEnum>;
    start(_args?: any): Promise<StateRunResultEnum>;
    afterStart(_mode: StateRunModeEnum, _args?: any): Promise<void>;
    stop(): Promise<void>;
    updateUrl(): void;
    getUrlArgs(): string;
    /** Add or replace one state-owned head tag by its stable key. */
    setHeadTag(key: string, tagName: "meta" | "link" | "script", attributes?: Readonly<Record<string, string>>, textContent?: string): void;
    /** Stop emitting the state-owned head tag with this key. */
    removeHeadTag(key: string): void;
    private requireApp;
}