export interface Payload {
    event: string;
    event_attributes?: {
        [k: string]: unknown;
    };
    user_id?: string;
    user_email?: string;
    user_created_at?: string;
    user_anonymous_id?: string | null;
    event_id?: string;
    doc_path?: string;
    doc_search?: string;
    event_type?: string;
    page_title?: string;
    referer?: string;
    url?: string;
    user_agent?: string;
    user_language?: string;
    utc_time?: string;
    utm?: {
        source?: string;
        medium?: string;
        name?: string;
        term?: string;
        content?: string;
    };
    screen?: {
        height?: number;
        width?: number;
        density?: number;
    };
    timezone?: string;
    source_ip?: string;
}
