BidRequest
constructor(imp: Array<Impression> = emptyArray(), app: App? = null, device: Device? = null, format: Format = Format(0, 0), user: User? = null, test: Byte = 0, tmax: Int = 500, badv: Array<String>? = null, source: Source? = null, regs: Regs? = null, customSignals: Signals? = null, ext: MutableMap<String, String> = mutableMapOf())