code: function(fileContentType, title) {
  			if (!fileContentType) return;
  			var lspServer = this.languageServerRegistry.getServerByContentType(fileContentType);
  			var filteredProviders = null;
  			var _self = this;
  			if (lspServer) {
  				filteredProviders = [];
  				filteredProviders.push(lspServer);
  			} else {
  				var allOutlineProviders = this._serviceRegistry.getServiceReferences("orion.edit.outliner"); //$NON-NLS-0$
  				// Filter to capable providers
  				filteredProviders = this.filteredProviders = allOutlineProviders.filter(function(serviceReference) {
  					var contentTypeIds = serviceReference.getProperty("contentType"), //$NON-NLS-0$
  					    pattern = serviceReference.getProperty("pattern"); // for backwards compatibility //$NON-NLS-0$
  					if (contentTypeIds) {
  						return contentTypeIds.some(function(contentTypeId) {
  							return _self._contentTypeRegistry.isExtensionOf(fileContentType, contentTypeId);
  						});
  					} else if (pattern && new RegExp(pattern).test(title)) {
  						return true;
  					}
  					return false;
  				});
  				// Load resource bundles
  				this._providerLookup = true;
  				filteredProviders.forEach(function(provider) {
  					provider.displayName = provider.getProperty("name") || provider.getProperty("nameKey"); //$NON-NLS-0$
  				});
  				
  				_self._providerLookup = false;
  			}
  			_self._outlineService.setOutlineProviders(filteredProviders);
  			_self.setOutlineProviders(filteredProviders);
  			_self.generateOutline();
  		
  		}
docs: Called when the inputManager's contentType has changed, so we need to look up the capable outline providers.
  @param {String} fileContentType
  @param {String} title TODO this is deprecated, should be removed along with "pattern" property of outliners.