export interface Payload {
    event: string;
    userId?: string;
    anonymousId?: string;
    groupId?: string;
    messageId: string;
    timestamp: string | number;
    properties?: {
        [k: string]: unknown;
    };
    traits?: {
        [k: string]: unknown;
    };
    context?: {
        [k: string]: unknown;
    };
    enable_batching?: boolean;
}
