Metadata driven version management service determines one or more version operations to perform based on the properties of a device, computing environment and metadata associated with a file being versioned. A content gateway platform is provided having a database for storage of content. A method can include measuring, with a first local access point, a first power of a first uplink sequence and a second power of a second uplink sequence from at least one user equipment. The collector structure includes, in addition to the core portion 48, a collector contact region 31 and a lateral collector region 50 between the core portion 48 and the collector contact region 31. The status of the lamp includes an open-circuit status and a closed-circuit status. An electrophotographic photosensitive member is provided an outermost surface layer of which contains at least a charge transporting compound having chain polymerizable functional groups which is represented by the following general formula or ; the charge transporting compound having been polymerized or cross-linked and cured.