anchor.diff:  +
   [source, java]
   ----
  -public interface SopDocumentContentRepository extends ContentRepository<SopDocument, UUID>, Searchable<UUID> {
  +public interface SopDocumentContentStore extends ContentStore<SopDocument, UUID>, Searchable<UUID> {
   }
   ----
   
  
positive.code: +
  [source, java]
  ----
  public interface SopDocumentContentRepository extends ContentRepository<SopDocument, UUID>, Renderable<SopDocument> {
  }
  ----
  . Set up Spring to create proxy instances for these two interfaces using JavaConfig:
  
negative.code: ====
  
  [[content-repositories.creation]]
  == Creating Content Store Instances
  To use these core concepts:
  
  . Define a Spring Data entity and give it's instances the ability to be associated with content by adding `@ContentId` and `@ContentLength` annotations
  