public Builder extra(@Nullable Output<Map<String,List<String>>> extra) {
            $.extra = extra;
            return this;
        }
@param extra extra contains extra attributes of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.

@return builder
sdk/java/src/main/java/com/pulumi/kubernetes/certificates/v1/inputs/CertificateSigningRequestSpecPatchArgs.java