@Override
            public Boolean run() {
                return checkAvailable();
            }
Delegate all methods of {@link HBaseUnsafeInternal} and {@link HBaseSignalInternal} so we will
not touch the actual {@code sun.misc.Unsafe} and {@code sun.misc.Signal} classes until we
actually call the methods.
stroom-bytebuffer/src/main/java/stroom/bytebuffer/hbase/HBasePlatformDependent.java