/**
 * Core Ingestion class for tracking usage events.
 */
export interface IngestionConfig {
    /** Dodo Payments API key */
    apiKey: string;
    /** Environment mode - test_mode for testing, live_mode for production */
    environment?: 'test_mode' | 'live_mode';
    /** Event name for the meter (e.g., 's3_upload', 'api_request') */
    eventName: string;
}
/**
 * Ingestion client for tracking usage events.
 */
export declare class Ingestion {
    private client;
    private eventName;
    constructor(config: IngestionConfig);
    /**
     * Track a usage event
     */
    track(event: {
        customerId: string;
        metadata?: Record<string, any>;
    }): Promise<void>;
    /**
     * Generate a unique event ID with the event name as prefix
     */
    private generateEventId;
}
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