Service-provider classes for the `{@link java.nio.channels}` package.

Only developers who are defining new selector providers or asynchronous channel providers should need to make direct use of this package.

Unless otherwise noted, passing a `null` argument to a constructor or method in any class or interface in this package will cause a {@link java.lang.NullPointerException NullPointerException} to be thrown. @since 1.4 @author Mark Reinhold @author JSR-51 Expert Group