public Builder source(Output<String> source) {
            $.source = source;
            return this;
        }
@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