// $var = null;
JConditional cond = block._if(acc.hasSetValue());
JVar $v = cond._then().decl(core.getRawType(), "v" + hashCode());// TODO: unique value control
acc.toRawValue(cond._then(),$v);
cond._then().assign($var,$v.invoke("getValue"));
cond._else().assign($var, JExpr._null());
}
public void fromRawValue(JBlock block, String uniqueName, JExpression $var) {
// [RESULT]