/**
 * Types of events that can be emitted by the waitlist component
 */
export type WaitlistEventType = 'field_focus' | 'submit' | 'success' | 'error' | 'security';
/**
 * Data structure for events
 */
export interface WaitlistEventData {
    /** Type of event */
    type: WaitlistEventType;
    /** Timestamp of the event */
    timestamp: string;
    /** Field name (for field_focus events) */
    field?: string;
    /** Form data (for submit, success, error events) */
    formData?: Record<string, any>;
    /** Response from API (for success events) */
    response?: any;
    /** Error information (for error events) */
    error?: {
        message: string;
        code?: string;
    };
    /** Security type (for security events) */
    securityType?: string;
    /** Security details (for security events) */
    details?: Record<string, any>;
}
/**
 * Event handler function type
 */
export type WaitlistEventHandler = (data: WaitlistEventData) => void;
/**
 * Event bus for handling waitlist events
 */
export declare class EventBus {
    private handlers;
    /**
     * Subscribe to an event
     * @param type Type of event to subscribe to
     * @param handler Function to call when the event occurs
     * @returns Function to unsubscribe
     */
    subscribe(type: WaitlistEventType, handler: WaitlistEventHandler): () => void;
    /**
     * Subscribe to multiple event types
     * @param types Array of event types to subscribe to
     * @param handler Function to call when any of the events occur
     * @returns Function to unsubscribe from all events
     */
    subscribeToMany(types: WaitlistEventType[], handler: WaitlistEventHandler): () => void;
    /**
     * Emit an event
     * @param data Event data
     */
    emit(data: WaitlistEventData): void;
}
export declare const eventBus: EventBus;