Expression

constantValue is set only if the expression contains no references to other objects, in which case it gives the resulting constant value. This is mapped as for the individual values in a value representation.

Alternatively, references will be set to a list of references in the expression. Multi-step references will be unwrapped and duplicated for each significant traversal step, allowing callers to more easily recognize the objects they care about without attempting to parse the expressions. Callers should only use string equality checks here, since the syntax may be extended in future releases.