feat: Add new gcloud commands, API clients, and third-party libraries across various services.

gcloud auth application-default login/google-cloud-sdk/lib/surface/dataplex/assets/describe.yaml

@@ -0,0 +1,21 @@
+- release_tracks: [ALPHA, GA]
+  help_text:
+    brief: |
+      Describe a Dataplex asset resource.
+    description: |
+      Displays all details of a Dataplex asset resource given a valid asset ID.
+    examples: |
+      To describe a Dataplex asset `test-asset` within zone `test-zone` in lake `test-lake` in
+      location `us-central1`, run:
+
+          $ {command} test-asset --location=us-central1 --lake=test-lake --zone=test-zone
+  request:
+    ALPHA:
+      api_version: v1
+    collection: dataplex.projects.locations.lakes.zones.assets
+    method: get
+  arguments:
+    resource:
+      help_text: |
+        Arguments and flags that define the Dataplex asset you want to retrieve.
+      spec: !REF googlecloudsdk.command_lib.dataplex.resources:asset