/**
 * Consent Manager
 *
 * Manages user consent state for analytics, marketing, and advertising.
 * Stores consent in a first-party cookie (_vtilt_consent) and provides
 * consent properties to attach to every event.
 *
 * When `requireConsent` is true in config, the CaptureManager gates
 * non-essential events until setConsent() is called.
 */
export interface ConsentState {
    analytics?: boolean;
    marketing?: boolean;
    advertising?: boolean;
}
export interface ConsentHost {
    _emitter?: {
        emit(event: string, payload?: unknown): void;
    };
    getConfig(): {
        require_consent?: boolean;
    };
}
export declare class ConsentManager {
    private _host;
    private _state;
    private _hasBeenSet;
    constructor(host: ConsentHost);
    /**
     * Set consent state. Merges with existing state.
     * Persists to cookie and emits consent:updated.
     */
    setConsent(consent: ConsentState): void;
    /**
     * Get current consent state.
     * Returns undefined fields for categories not yet set.
     */
    getConsent(): ConsentState;
    /**
     * Whether setConsent() has been called (or consent was loaded from cookie).
     * Used by CaptureManager to gate events when requireConsent is true.
     */
    hasConsent(): boolean;
    /**
     * Apply default-all-granted state when no explicit consent exists.
     * Sets all categories to true in memory but does NOT persist to cookie
     * (implicit defaults don't need storage — only explicit user choices do).
     */
    setDefaultGranted(): void;
    /**
     * Returns event properties to attach to every captured event.
     * Only includes fields that have been explicitly set.
     */
    getConsentProperties(): Record<string, boolean>;
    /**
     * Reset consent state (e.g. on user logout).
     */
    reset(): void;
    private _readFromCookie;
    private _writeToCookie;
    private _removeCookie;
}