Adds visibility tag to ML validate APIs (#1063) (#1073)

Author: lcawl

output/schema/schema.json

@@ -5,7 +5,7 @@
       "description": "Validates an anomaly detection job."
     },
     "stability": "stable",
-    "visibility": "public",
+    "visibility": "private",
     "headers": {
       "accept": ["application/json"],
       "content_type": ["application/json"]

specification/_json_spec/ml.validate.json

@@ -5,7 +5,7 @@
       "description": "Validates an anomaly detection detector."
     },
     "stability": "stable",
-    "visibility": "public",
+    "visibility": "private",
     "headers": {
       "accept": ["application/json"],
       "content_type": ["application/json"]

specification/_json_spec/ml.validate_detector.json

@@ -28,6 +28,7 @@ import { long } from '@_types/Numeric'
  * @rest_spec_name ml.validate
  * @since 6.3.0
  * @stability stable
+ * @visibility private
  */
 export interface Request extends RequestBase {
   body: {

specification/ml/validate/MlValidateJobRequest.ts

@@ -23,7 +23,7 @@ import { RequestBase } from '@_types/Base'
 /**
  * @rest_spec_name ml.validate_detector
  * @since 5.4.0
- *
+ * @visibility private
  * @stability stable
  */
 export interface Request extends RequestBase {