code: public static EntityGetOperation<ContentKeyAuthorizationPolicyInfo> get(String contentKeyAuthorizationPolicyId) {
          return new DefaultGetOperation<ContentKeyAuthorizationPolicyInfo>(ENTITY_SET, contentKeyAuthorizationPolicyId,
                  ContentKeyAuthorizationPolicyInfo.class);
      }
docs: Create an operation that will retrieve the given content key
  authorization policy
  
  @param contentKeyAuthorizationPolicyId
  id of content key authorization policy to retrieve
  @return the operation