code: public static Data of(final String name, final int parameterCount) {
  		return of(name, singletonList(Sample.of(parameterCount)));
  	}
docs: Return a new {@code Data} object with the given name and the given number
  of parameters.
  
  @param name the name of the data object
  @param parameterCount the parameter count of the created samples
  @throws NullPointerException if the data {@code name} is {@code null}
  @throws IllegalArgumentException if the given {@code parameterCount} is
  smaller then one
  @return a new {@code Data} object with the given parameters