This represents a configuration of a USB device. The device may have multiple configurations, and must have at least one configuration; only one configuration (if any) can be currently active. If the device is in an unconfigured state none of its configurations are active. If this configuration is not active, its device model (UsbInterfaces, UsbEndpoints, and UsbPipes) may be browsed, but no action can be taken.
See the USB 1.1 specification sec 9.6.2 for more information on USB device configurations. @author Dan Streetman @author E. Michael Maximilien
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