@Override
    public Builder toBuilder() {
        return new Builder()
                .dualStack(dualStack)
                .endpoint(endpoint)
                .fips(fips)
                .sourceLocation(sourceLocation);
    }
Gets the fips.

@return Returns the fips
smithy-aws-endpoints/src/main/java/software/amazon/smithy/rulesengine/aws/traits/PartitionSpecialCase.java