Represents a dynamic value, which consists of a prefix and an
optional set of ValueSuffix elements. A prefix is something like
an identifier, and a suffix is something like a "property of" or
"indexed element of" operator.
author: Nathan Abramson - Art Technology Group author: Shawn Bayern version: $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: tcfujii $