ECR.PullThroughCacheRulesee http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecr-pullthroughcacherule.html
type properties = {upstream_registry_url : string option;upstream_registry : string option;credential_arn : string option;ecr_repository_prefix : string option;}see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecr-pullthroughcacherule.html;
val make_properties :
?upstream_registry_url:string ->
?upstream_registry:string ->
?credential_arn:string ->
?ecr_repository_prefix:string ->
unit ->
propertiesval yojson_of_properties :
properties ->
[> `Assoc of (string * Yojson.Safe.t) list ]val create_attributes : string -> attributes