in src/main/java/org/apache/sling/testing/mock/sling/oak/impl/ComparableVersion.java [581:593]
public String toString()
{
StringBuilder buffer = new StringBuilder();
for ( Item item : this )
{
if ( buffer.length() > 0 )
{
buffer.append( ( item instanceof ListItem ) ? '-' : '.' );
}
buffer.append( item );
}
return buffer.toString();
}