Indicates if this object is still valid, i.e. hasn't been deleted or some other action done to invalidate the reference.
"deriveFeatureInput_var" is a variable referencing a DeriveFeatureInput object. |
"deriveFeatureInput_var" is a variable referencing a DeriveFeatureInput object. |
"deriveFeatureInput_var" is a variable referencing a DeriveFeatureInput object. |