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data class User(

    @Expose
    @SerializedName("email")
    val email: String? = null,

    @Expose
    @SerializedName("username")
    val username: String? = null,

    @Expose
    @SerializedName("image")
    val image: String? = null
) {
    override fun toString(): String {
        return "User(email=$email, username=$username, image=$image)"
    }
}

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// One workaround is to approximate a namespace by using with a singleton object class.
object FooActions {
    fun foo() {...}
}

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private fun getProviders(): List<Provider> =
            applicationContext.getBeansOfType(Provider::class.java).values +
                    applicationContext.getBeansOfType(List::class.java).values.flatten().flatMap { bean ->
                        when (bean) {
                            is Provider -> listOf(bean)
                            else -> listOf()
                        }
                    }

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private fun GetDeviceInfo(request: HttpServerRequest): HashMap<String, Info>
	{
		val deviceInfo = request.getParam(NAME_ID)?.let { id ->
			(Ports.ById(id) ?: Ports.ByDeviceId(id))?.let(DeviceInfo.Companion::Create)
			?: Files.FromPath(id)?.let { file ->
				FileInfo.GetInfo(file)
			} ?: (Core.GetTask(id) as? Scenario)?.SourceFile?.let(::FileInfo)
		}

		return deviceInfo?.let { hashMapOf(REQUEST_RESULT to it) } ?: hashMapOf()
	}