import { Context, EventContext, EventOptions } from './event-context';
import { Queue, QueueOptions } from './queue';
export declare type Event = {
    context: Context;
    message_id: string;
    type: string;
    event: string;
    properties?: Record<string, unknown>;
    sent_at?: string;
};
export declare class EventQueue extends Queue<Event> {
    projectSlug: string;
    events: Event[];
    context: EventContext;
    constructor(options: QueueOptions<Event> | undefined, projectSlug: string, ctx: EventContext);
    track(event: string, properties?: {
        [key: string]: unknown;
    }, type?: string, options?: EventOptions): void;
    reset(): void;
    protected onSend(events?: Event[]): boolean | Promise<boolean> | undefined;
}