+@interface NJInput : NJInputPathElement
+
+#define NJINPUT_DID(name, index) [[NSString alloc] initWithFormat:@"%s %d", name, index]
+#define NJINPUT_NAME(name, index) [[NSString alloc] initWithFormat:name, index]
+
+- (id)initWithName:(NSString *)name
+ eid:(NSString *)eid
+ element:(IOHIDElementRef)element
+ parent:(NJInputPathElement *)parent;