@Override
    public String toString() {
        final String className = getClass().getSimpleName();
        final int index = className.lastIndexOf(Action.class.getSimpleName());
        if (index > 0) {
            return className.substring(0, index);
        }
        return className;
    }
@param <T>  input {@code BaseStream} type
@param <R>  output (return) {@code BaseStream} type

@author  Per Minborg
@since   2.1.0
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/stream/action/Action.java