package com.atlassian.plugin;
   
   import java.util.Collection;
   
   public interface PluginRegistry {
       interface ReadOnly {
           Collection<Plugin> getAll();
   
           Plugin get(final String key);
      }
  
      interface ReadWrite extends ReadOnly {
          void clear();
  
          void put(final Plugin plugin);
  
          Plugin remove(final String key);
      }
  }