provides access to sequences of data. With this interface data
can only be read from.
If the data stored consists only of floating point numbers (double
values), the returned instances should also support the service
::NumericalDataSequence.
If the data stored consists only of strings, the returned
instances should also support the service
::TextualDataSequence.
a sequence of objects that support at least the
service DataSequence.
If the data stored consist only of floating point numbers
(double values), the returned instances should also support
the service ::NumericalDataSequence.
If the data stored consist only of strings, the returned
instances should also support the service
::TextualDataSequence.