@Override
    public Builder toBuilder() {
        return new Builder(getSourceLocation())
                .name(name)
                .dnsSuffix(dnsSuffix)
                .dualStackDnsSuffix(dualStackDnsSuffix)
                .supportsFips(supportsFips)
                .supportsDualStack(supportsDualStack)
                .implicitGlobalRegion(implicitGlobalRegion);
    }
Gets this partition's implicit global region: the region that
non-regionalized (global) services should use for signing.

@return returns the partition's implicit global region.
smithy-aws-endpoints/src/main/java/software/amazon/smithy/rulesengine/aws/language/functions/partition/PartitionOutputs.java