declare namespace org {
    namespace slf4j {
        namespace event {
            class EventConstants {
                public static readonly ERROR_INT: int
                public static readonly WARN_INT: int
                public static readonly INFO_INT: int
                public static readonly DEBUG_INT: int
                public static readonly TRACE_INT: int
                public static readonly NA_SUBST: string
                public constructor()
                public static class: java.lang.Class<any>
            }
        }
    }
}