import type { AccountEntry, AccountHealth, ChatSession, GeminiSession } from "./types.js";
export declare class StateManager {
    /** Per-account state registry */
    private accounts;
    /** Currently active account index */
    private activeIndex;
    private chats;
    /** Register a new account entry */
    addAccount(accountIndex: number, camofoxUserId: string): AccountEntry;
    /** Remove an account */
    removeAccount(accountIndex: number): boolean;
    /** Get account entry */
    getAccount(accountIndex: number): AccountEntry | undefined;
    /** Get all accounts */
    getAllAccounts(): AccountEntry[];
    /** Check if account exists */
    hasAccount(accountIndex: number): boolean;
    /** Get active account index */
    get activeAccountIndex(): number | null;
    /** Set active account */
    setActiveAccount(accountIndex: number): void;
    /** Get active account entry */
    getActiveAccount(): AccountEntry | undefined;
    /** Get session for account (or active account if not specified) */
    getSession(accountIndex?: number): GeminiSession | null;
    setSession(accountIndex: number, session: GeminiSession): void;
    setSession(session: GeminiSession): void;
    clearSession(accountIndex?: number): void;
    /** @deprecated Use getSession(accountIndex) instead */
    get session(): GeminiSession | null;
    set session(value: GeminiSession | null);
    isAuthenticated(accountIndex?: number): boolean;
    updateTokens(tokens: NonNullable<GeminiSession["tokens"]>, accountIndex?: number): void;
    recordRotation(accountIndex?: number): void;
    isRotationOverdue(accountIndex?: number): boolean;
    /** Record a successful operation for account */
    recordSuccess(accountIndex: number): void;
    /** Record an error for account */
    recordError(accountIndex: number): void;
    /** Set account health directly */
    setHealth(accountIndex: number, health: AccountHealth): void;
    /** Get healthy accounts (healthy or degraded, not in cooldown) */
    getHealthyAccounts(): AccountEntry[];
    /** Get next healthy account for failover (round-robin from active) */
    getNextHealthyAccount(excludeIndex?: number): AccountEntry | undefined;
    /** Set tab ID for account */
    setTabId(accountIndex: number, tabId: string): void;
    /** Get tab ID for account */
    getTabId(accountIndex?: number): string | null;
    getChat(conversationId: string): ChatSession | undefined;
    setChat(conversationId: string, chat: ChatSession): void;
    deleteChat(conversationId: string): boolean;
    listChats(): ChatSession[];
    /** Clear all state */
    clear(): void;
}
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