code: @SuppressWarnings("unchecked")
  	@Override
  	public T param(final String paramName, final Supplier<Object> supplier) {
  		context().param(paramName, supplier);
  		return (T) this;
  	}
docs: {@inheritDoc}
  
  @see jp.co.future.uroborosql.fluent.SqlFluent#param(String, Supplier)