How can I re-declare variants for a configuration using gradle kotlin dsl?

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// Approach 1: Explicit Variant
// The following snippet will let you add attributes for linux and x86_64 to a configuration
configurations.someConfiguration {
    attributes {
        attribute(Usage.USAGE_ATTRIBUTE, objects.named<Usage>(Usage.JAVA_RUNTIME))
        attribute(OperatingSystemFamily.OPERATING_SYSTEM_ATTRIBUTE, objects.named<OperatingSystemFamily>("linux"))
        attribute(MachineArchitecture.ARCHITECTURE_ATTRIBUTE, objects.named<MachineArchitecture>("x86-64"))
    }
}

// Approach 2: Copy existing configuration into another configuration
configurations.someConfiguration {
    val runtimeAttributes = configurations.runtimeClasspath.get().attributes
    runtimeAttributes.keySet().forEach { key ->
        attributes.attribute(key as Attribute<Any>, runtimeAttributes.getAttribute(key))
    }
}
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