public DeviceAllocationConfigurationArgs build() {
            if ($.source == null) {
                throw new MissingRequiredPropertyException("DeviceAllocationConfigurationArgs", "source");
            }
            return $;
        }
@param source Source records whether the configuration comes from a class and thus is not something that a normal user would have been able to set or from a claim.

@return builder
sdk/java/src/main/java/com/pulumi/kubernetes/resource/v1beta2/inputs/DeviceAllocationConfigurationArgs.java