code: function loadResources(resources, providerIndex) {
  
    var result = [],
        index,
        num = resources.length,
        resource,
        prefilters, postfilters;
  
    for (index = 0; index < num; index++ ) {
      resource = resources[index];
      prefilters = [];
      postfilters = [];
  
      // Check resource has required properties
      if (!resource.id) {
        throw new InvalidConfiguration(
          InvalidConfiguration.INVALID_RESOURCE_MESSAGE
          + " Resource at index " + index + " on"
          + " provider at index " + providerIndex + " has no 'id' property."
        );
      }
      if (!resource.context) {
        throw new InvalidConfiguration(
          InvalidConfiguration.INVALID_RESOURCE_MESSAGE
          + " Resource at index " + index + " on"
          + " provider at index " + providerIndex + " has no 'context' property."
        );
      }
  
      // Load resource's filters
      if (resource.prefilters) {
        prefilters = loadMiddlewareFilters(resource.prefilters);
      }
      if (resource.postfilters) {
        postfilters = loadMiddlewareFilters(resource.postfilters);
      }
  
      // Store resource information
      result.push({
        id: resource.id,
        context: resource.context,
        prefilters: prefilters,
        postfilters: postfilters
      });
    }
  
    return result;
  }
docs: Load resources configuration loading its pre and postfilters modules.
  
  @private
  @param  {Array<object>} resources Array with resources configuration.
  @param  {boolean} providerIndex Index of the provider within array of providers.
  @returns {Array<object>} Array with resources configuration plus a middleware
  object referencing the filter's module.