/**
 * Structured user information for a principal
 */
export interface UserInfo {
    /**
     * Human-readable display name
     */
    display_name?: string;
    /**
     * Email address
     */
    email?: string;
    /**
     * Principal type (user, service, service_account)
     */
    type?: string;
    /**
     * Principal unique identifier (username)
     */
    uid?: string;
}