text: /**
   * Copyright 2018 Alibaba Group
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #import <Foundation/Foundation.h>
  
  @protocol EBHandlerProtocol <NSObject>
  
  - (void)execute:(NSDictionary *)properties to:(id)target;
  
  @optional
  - (NSDictionary *)customScope;
  
  @end
  
  @interface EBHandlerFactory : NSObject
  
  + (NSArray<id<EBHandlerProtocol>>*)handlers;
  
  + (void)addHandler:(id<EBHandlerProtocol>)handler;
  
  + (void)removeHandler:(id<EBHandlerProtocol>)handler;
  
  @end
  