code: private ValueReference getValueReference(
              final ValueExpression valueExpression, final FacesContext context)
      {
          ELContext elCtx = context.getELContext();
          return _ValueReferenceResolver.resolve(valueExpression, elCtx);
      }
docs: Get the ValueReference from the ValueExpression.
  
  @param valueExpression The ValueExpression for value.
  @param context The FacesContext.
  @return A ValueReferenceWrapper with the necessary information about the ValueReference.