question: determine whether this reference is a variable reference . concode_field_sep Type type concode_field_sep Reference add concode_elem_sep Reference add concode_elem_sep boolean isStatic concode_elem_sep BigInteger getLocation concode_elem_sep boolean isDynamic concode_elem_sep BigInteger getIndex concode_elem_sep Reference indirect concode_elem_sep Reference subtract concode_elem_sep Reference subtract concode_elem_sep boolean isCast concode_elem_sep String getField concode_elem_sep boolean hasBase concode_elem_sep boolean hasLocation concode_elem_sep boolean isConstant concode_elem_sep boolean hasIndex concode_elem_sep Type getType concode_elem_sep boolean isNull concode_elem_sep boolean isString concode_elem_sep BigInteger difference concode_elem_sep boolean isIndirect concode_elem_sep Reference getBase concode_elem_sep String toString concode_elem_sep boolean isPrefix concode_elem_sep void write concode_elem_sep boolean hasField
target: boolean function ( ) { return false ; }