A project in the workspace. Source is searched for in the root project
folder and all folders within the project recursively. Optionally,
referenced projects may be searched as well.
Clients may instantiate this class.
Since:
3.0
Restriction:
This class is not intended to be subclassed by clients.
Returns whether this container is a composite container. A composite
container is composed of other source containers. For example, a workspace
source container may be composed of project source containers.