StandardSyntax.dart

abstract class {

    ();

}

abstract class {
	
      ();

}

class extends {

  ();

}
class extends {
	
  ();

}
class extends {
	
  ();

}

class implements {

  (){

  }

}

class implements {

   (){
    
  }

}

class implements {

   (){
    
  }

}

void main(){

    = ();
    .();
    .();
	
}