code: public function setFloat(string $key, $value, float $ignoredDefaultValue = null)
      {
          $this->set($key, (float) $value, $ignoredDefaultValue);
          return $this;
      }
docs: Sets a float value to the builder.
  @param string $key
  @param mixed $value
  @param float|null $ignoredDefaultValue
  @return $this