chore: [dlp] migrate generator to google-cloud-node

packages/google-privacy-dlp/.eslintrc.json

@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }

packages/google-privacy-dlp/protos/google/privacy/dlp/v2/dlp.proto

@@ -1384,6 +1384,15 @@ message ContentItem {
     // Content data to inspect or redact. Replaces `type` and `data`.
     ByteContentItem byte_item = 5;
   }
+
+  // User provided metadata for the content.
+  ContentMetadata content_metadata = 6;
+}
+
+// Metadata on content to be scanned.
+message ContentMetadata {
+  // User provided key-value pairs of content metadata.
+  repeated KeyValueMetadataProperty properties = 2;
 }
 
 // Structured content to inspect. Up to 50,000 `Value`s per request allowed. See
@@ -1403,6 +1412,15 @@ message Table {
   repeated Row rows = 2;
 }
 
+// A key-value pair in the Metadata.
+message KeyValueMetadataProperty {
+  // The key of the property.
+  string key = 1;
+
+  // The value of the property.
+  string value = 2;
+}
+
 // All the findings for a single scanned item.
 message InspectResult {
   // List of findings for an item.
@@ -7478,6 +7496,9 @@ enum MetadataType {
 
   // Metadata extracted from the files.
   CONTENT_METADATA = 3;
+
+  // Metadata provided by the client.
+  CLIENT_PROVIDED_METADATA = 4;
 }
 
 // Parts of the APIs which use certain infoTypes.