grp : 
{
  value = 10;
  name = "sample";
};
lst = ( 
  {
    name = "sample";
  }, 
  {
    comment = "sample secong group";
    val = 10.2;
  } );
info = "more info about types in libconfig9 documentations";
arr = [ 10, 20, 30 ];
integer = 100;
longint = 100L;
flo = 100.01;
boolean : 
{
  truevalue = true;
  falsevalue = false;
};