export declare type Context = Record<string, string>;
export interface AnalyticsClientOptions {
    collectorUrl: string;
    clientId?: string;
    baseContext?: Context;
    maxBatchSize?: number;
    idleTimeout?: number;
}
export declare class AnalyticsClient {
    readonly options: AnalyticsClientOptions;
    private eventBatch;
    private idleCallbackId;
    private waitTimerId;
    constructor(options: AnalyticsClientOptions);
    get collectorUrl(): string;
    get clientId(): string;
    private get maxBatchSize();
    private get idleTimeout();
    private createEvent;
    sendPageView(context?: Context): void;
    sendEvent(type: string, context: Context): void;
    sendBatchedEvent(type: string, context: Context): void;
    flushBatch(): void;
    destroy(): void;
    private scheduleFlush;
    private cancelScheduledFlush;
    private onVisibilityChange;
    private boundFlush;
    private send;
}