checkIsHostForProgram function takes a new 'logic' argument. It determines which logic should be used to look up for program entity. If the argument is not given, the standard program_logic will be used.

/** the parent */
var box = {};

/** @namespace */
box.holder = {}

box.holder.foo = function() {
	/** the counter */
	this.counter = 1;
}

box.holder.foo();
print(box.holder.counter);