export declare const ANALYTICS_WINDOWS_KEY = "dotAnalytics";
export declare const ANALYTICS_SOURCE_TYPE = "dotAnalytics";
export declare const ANALYTICS_ENDPOINT = "/api/v1/analytics/content/event";
/**
 * Structured event types - events with predefined data shapes
 * These events have specific data structures and validation
 */
export declare const DotCMSPredefinedEventType: {
    readonly PAGEVIEW: "pageview";
    readonly CONTENT_IMPRESSION: "content_impression";
    readonly CONTENT_CLICK: "content_click";
    readonly CONVERSION: "conversion";
};
/**
 * Type for structured events
 */
export type DotCMSPredefinedEventType = (typeof DotCMSPredefinedEventType)[keyof typeof DotCMSPredefinedEventType];
/**
 * Custom event type - any string except predefined event types
 * These events have flexible data structures defined by the user
 */
export type DotCMSCustomEventType = Exclude<string, DotCMSPredefinedEventType>;
/**
 * Union type for all possible event types
 */
export type DotCMSEventType = DotCMSPredefinedEventType | DotCMSCustomEventType;
/**
 * Expected UTM parameter keys for campaign tracking
 */
export declare const EXPECTED_UTM_KEYS: readonly ["utm_source", "utm_medium", "utm_campaign", "utm_term", "utm_content"];
/**
 * Session configuration constants
 */
export declare const DEFAULT_SESSION_TIMEOUT_MINUTES = 30;
/**
 * Session storage key for session ID
 */
export declare const SESSION_STORAGE_KEY = "dot_analytics_session_id";
/**
 * Session storage key for session start time
 */
export declare const SESSION_START_KEY = "dot_analytics_session_start";
/**
 * Session storage key for session UTM data
 */
export declare const SESSION_UTM_KEY = "dot_analytics_session_utm";
/**
 * User ID configuration constants
 */
export declare const USER_ID_KEY = "dot_analytics_user_id";
/**
 * Activity tracking configuration
 * Events used to detect user activity for session management
 * - click: Detects real user interaction with minimal performance impact
 * - visibilitychange: Handled separately to detect tab changes
 */
export declare const ACTIVITY_EVENTS: readonly ["click"];
/**
 * Default queue configuration for event batching
 */
export declare const DEFAULT_QUEUE_CONFIG: {
    readonly eventBatchSize: 15;
    readonly flushInterval: 5000;
};
/**
 * The name of the analytics minified script.
 */
export declare const ANALYTICS_MINIFIED_SCRIPT_NAME = "ca.min.js";
/**
 * Default properties that Analytics.js adds automatically
 * These should be filtered out to only keep user-provided properties
 */
export declare const ANALYTICS_JS_DEFAULT_PROPERTIES: readonly ["title", "url", "path", "hash", "search", "width", "height", "referrer"];
/**
 * Impression tracking configuration constants
 */
/**
 * Default minimum percentage of element that must be visible (0.0 to 1.0)
 */
export declare const DEFAULT_IMPRESSION_VISIBILITY_THRESHOLD = 0.5;
/**
 * Default minimum time in milliseconds element must be visible
 */
export declare const DEFAULT_IMPRESSION_DWELL_MS = 750;
/**
 * Default maximum number of elements to track (performance limit)
 */
export declare const DEFAULT_IMPRESSION_MAX_NODES = 100;
/**
 * Default throttle time in milliseconds for intersection callbacks
 */
export declare const DEFAULT_IMPRESSION_THROTTLE_MS = 100;
/**
 * Default debounce time in milliseconds for MutationObserver
 */
export declare const DEFAULT_IMPRESSION_MUTATION_OBSERVER_DEBOUNCE_MS = 250;
/**
 * Default impression tracking configuration
 */
export declare const DEFAULT_IMPRESSION_CONFIG: {
    readonly visibilityThreshold: 0.5;
    readonly dwellMs: 750;
    readonly maxNodes: 100;
    readonly throttleMs: 100;
};
/**
 * Event type for content impressions
 * Must match DotCMSPredefinedEventType.CONTENT_IMPRESSION
 */
export declare const IMPRESSION_EVENT_TYPE = "content_impression";
/**
 * Event type for content clicks
 * Must match DotCMSPredefinedEventType.CONTENT_CLICK
 */
export declare const CLICK_EVENT_TYPE = "content_click";
/**
 * Default debounce time in milliseconds for clicks
 */
export declare const DEFAULT_CLICK_THROTTLE_MS = 300;
/**
 * CSS selector for clickable elements to track
 * Only clicks on <a> and <button> elements are tracked
 */
export declare const CLICKABLE_ELEMENTS_SELECTOR = "a, button";
/**
 * Session storage key for tracked impressions (deduplication)
 */
export declare const IMPRESSION_SESSION_KEY = "dot_analytics_impressions";
/**
 * Window property key for analytics active state
 * Used to track if analytics is initialized and active
 */
export declare const ANALYTICS_WINDOWS_ACTIVE_KEY = "__dotAnalyticsActive__";
/**
 * Window property key for analytics cleanup function
 * Used to store the cleanup function for analytics instance
 */
export declare const ANALYTICS_WINDOWS_CLEANUP_KEY = "__dotAnalyticsCleanup__";
/**
 * CSS class selector for contentlet elements
 *
 * @important This constant is intentionally duplicated in @dotcms/react SDK
 * (core-web/libs/sdk/react/src/lib/next/components/Contentlet/Contentlet.tsx).
 * Both constants MUST have the same value ('dotcms-contentlet') for analytics
 * tracking to work correctly with React-rendered contentlets.
 *
 * This duplication is intentional to maintain SDK independence:
 * - @dotcms/analytics can be used standalone without React
 * - @dotcms/react can be used without analytics
 * - When both are used together, they must share the same class name
 *
 * If you need to change this value, you MUST update it in both locations:
 * 1. This file (analytics SDK)
 * 2. Contentlet.tsx in React SDK
 *
 * @see core-web/libs/sdk/react/src/lib/next/components/Contentlet/Contentlet.tsx
 */
export declare const CONTENTLET_CLASS = "dotcms-contentlet";
/**
 * Queue persistence configuration constants
 * Used for storing events in sessionStorage for traditional page navigations
 */
/**
 * Session storage key for persistent tab ID
 * This ID remains constant across page navigations within the same browser tab
 */
export declare const TAB_ID_STORAGE_KEY = "dot_analytics_tab_id";
/**
 * Prefix for queue storage key in sessionStorage
 * Full key format: dot_analytics_queue_{tabId}
 */
export declare const QUEUE_STORAGE_KEY_PREFIX = "dot_analytics_queue";
/**
 * Maximum age in milliseconds for persisted events
 * Events older than this will be discarded (24 hours)
 */
export declare const MAX_EVENT_AGE_MS: number;