export interface EventOptions {
    action?: string;
    actionType?: string;
    data?: unknown;
    domain?: string;
    label?: string;
    name?: string;
    referrer?: string;
    revenue?: {
        currency: string;
        amount: number | string;
    };
    sessionId?: string;
    type?: string;
    url?: string;
    userId?: number | string;
}
export interface ViewOptions extends EventOptions {
    element?: string;
    elementId?: string;
}
export declare abstract class BaseEngine {
    constructor();
    abstract event(name: string, options?: EventOptions): Promise<void> | void;
    abstract view(page: string, options?: ViewOptions): Promise<void> | void;
}