modules/javafx.base/src/main/java/javafx/beans/property/ReadOnlyLongProperty.java

*** 75,84 ****
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       * {@code ReadOnlyLongProperty} is created that is bound to
       * the {@code ReadOnlyProperty}.
       *
       * Note: null values will be interpreted as 0L
       *
+      * @param <T> The type of Number to be wrapped
       * @param property
       *            The source {@code ReadOnlyProperty}
       * @return A {@code ReadOnlyLongProperty} that wraps the
       *         {@code ReadOnlyProperty} if necessary
       * @throws NullPointerException