interface ParameterBagInterface

Container.php in drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php

interface ParameterBagInterface {

  /**
   * Clears all parameters.
   *
   * @api
   */
  public function clear();

  /**
   * Adds parameters to the service container parameters.
   *
   * @param array $parameters An array of parameters
   *
   * @api
   */
  public function add(array $parameters);

  /**
   * Gets the service container parameters.
   *
   * @return array An array of parameters
   *
   * @api
   */
  public function all();

  /**
   * Gets a service container parameter.
   *
   * @param string $name The parameter name
   *
   * @return mixed  The parameter value
   *
   * @throws ParameterNotFoundException if the parameter is not defined
   *
   * @api
   */
  public function get($name);

  /**
   * Sets a service container parameter.
   *
   * @param string $name  The parameter name
   * @param mixed  $value The parameter value
   *
   * @api
   */
  public function set($name, $value);

  /**
   * Returns true if a parameter name is defined.
   *
   * @param string $name The parameter name
   *
   * @return Boolean true if the parameter name is defined, false otherwise
   *
   * @api
   */
  public function has($name);

  /**
   * Replaces parameter placeholders (%name%) by their values for all parameters.
   */
  public function resolve();

  /**
   * Replaces parameter placeholders (%name%) by their values.
   *
   * @param mixed $value A value
   *
   * @throws ParameterNotFoundException if a placeholder references a parameter that does not exist
   */
  public function resolveValue($value);

  /**
   * Escape parameter placeholders %
   *
   * @param mixed $value
   *
   * @return mixed
   */
  public function escapeValue($value);

  /**
   * Unescape parameter placeholders %
   *
   * @param mixed $value
   *
   * @return mixed
   */
  public function unescapeValue($value);

}