@uml Gets the name of the underlying input source. This method returns a non-null, non-empty string. If such a name is not known, this method returns {@link IntStream#UNKNOWN_SOURCE_NAME}.
See Implementation
@uml Gets the name of the underlying input source. This method returns a non-null, non-empty string. If such a name is not known, this method returns {@link IntStream#UNKNOWN_SOURCE_NAME}.