lithium\core\Object::respondsTo()
Determines if a given method can be called.
Parameters
- 
							string
							$methodName of the method. 
- 
							boolean
							$internalProvide trueto perform check from inside the class/object. Whenfalsechecks also for public visibility; defaults tofalse.
Returns
booleanReturns true if the method can be called, false otherwise.
Source
	public function respondsTo($method, $internal = false) {
		return Inspector::isCallable($this, $method, $internal);
	}