public bool RemoveServiceInstance(KnowledgeArticle knowledgeArticle, ServiceInstance serviceInstance)
 {
     return(DeleteRelation(knowledgeArticle, "service_instances", serviceInstance));
 }
 public bool AddServiceInstance(KnowledgeArticle knowledgeArticle, ServiceInstance serviceInstance)
 {
     return(CreateRelation(knowledgeArticle, "service_instances", serviceInstance));
 }
 public bool RemoveServiceInstance(TaskTemplate taskTemplate, ServiceInstance serviceInstance)
 {
     return(DeleteRelation(taskTemplate, "service_instances", serviceInstance));
 }
 public bool AddServiceInstance(TaskTemplate taskTemplate, ServiceInstance serviceInstance)
 {
     return(CreateRelation(taskTemplate, "service_instances", serviceInstance));
 }
 public bool RemoveServiceInstance(ConfigurationItem configurationItem, ServiceInstance serviceInstance)
 {
     return(DeleteRelation(configurationItem, "service_instances", serviceInstance));
 }
 public bool AddServiceInstance(ConfigurationItem configurationItem, ServiceInstance serviceInstance)
 {
     return(CreateRelation(configurationItem, "service_instances", serviceInstance));
 }