export type FeedbackPromptPage = string;
export type FeedbackPromptDecisionReason = "invalid-page" | "not-ready" | "insufficient-engagement" | "shown-this-session" | "recently-submitted" | "global-cooldown" | "page-cooldown";
export type FeedbackPromptDecision = {
    canShow: boolean;
    reason?: FeedbackPromptDecisionReason;
    engagementMs: number;
};
export type FeedbackPromptPageState = {
    lastShownAt?: number;
    lastSubmittedAt?: number;
    lastDismissedAt?: number;
};
export type FeedbackPromptState = {
    version: typeof FEEDBACK_PROMPT_POLICY_VERSION;
    lastShownAt?: number;
    lastSubmittedAt?: number;
    lastDismissedAt?: number;
    pages: Record<FeedbackPromptPage, FeedbackPromptPageState>;
};
export type CanShowFeedbackPromptInput = {
    page: FeedbackPromptPage;
    isReady?: boolean;
    readyAt?: number | null;
    now?: number;
};
export declare const FEEDBACK_PROMPT_POLICY_VERSION = "v1";
export declare const FEEDBACK_PROMPT_STORAGE_KEY: string;
export declare const FEEDBACK_PROMPT_SESSION_STORAGE_KEY: string;
export declare const FEEDBACK_PROMPT_MIN_READY_ENGAGEMENT_MS: number;
export declare const FEEDBACK_PROMPT_GLOBAL_COOLDOWN_MS: number;
export declare const FEEDBACK_PROMPT_PAGE_COOLDOWN_MS: number;
export declare const FEEDBACK_PROMPT_SUBMITTED_COOLDOWN_MS: number;
export declare function readFeedbackPromptState(): FeedbackPromptState;
export declare function writeFeedbackPromptState(state: FeedbackPromptState): void;
export declare function canShowFeedbackPrompt({ page, isReady, readyAt, now, }: CanShowFeedbackPromptInput): FeedbackPromptDecision;
export declare function markFeedbackPromptShown(page: FeedbackPromptPage, now?: number): void;
export declare function markFeedbackPromptSubmitted(page: FeedbackPromptPage, now?: number): void;
export declare function markFeedbackPromptDismissed(page: FeedbackPromptPage, now?: number): void;
export declare function getFeedbackPromptPageFromContext(context?: Record<string, unknown> | null): string | null;