Class ID of the provider used to distinguish Intrinsic Portlets from Remote Portlets. Currently there are two possible values: {6BD5EA2D-544C-464B-8F08-33136FCAFD6E} for Intrinsic Portlets and {61266621-F525-11D3-9BE3-0050DAC4C6FA} for Remote Portlets.
PortletProperty Class | Plumtree.Remote.PRC Namespace