docs: Update Firebase notes in README (#1128)

Author: jasonborg

.readme-partials.yaml

@@ -49,14 +49,11 @@ body: |-
   with the longest matching path suffix. If a unique match is found, that file
   will be used to set the snapshot.
 
-  ## Firebase Realtime Database backend
+  ## Snapshot Debugger - Firebase Realtime Database Backend
 
-  The Cloud Debugger API is deprecated and will be turned down in May 2023.
-
-  You can use Firebase Realtime Database for data persistence as an
-  alternative.
-
-  ### Enabling the agent
+  This functionality is available for release 6.0.0 onward of this agent and
+  provides support for the Snapshot Debugger, which is being provided as a
+  replacement for the deprecated Cloud Debugger service.
 
   To enable the agent, add the following at the top of your app's main script
   or entry point:
@@ -70,17 +67,13 @@ body: |-
   ```
 
   The following params are optional:
-  * firebaseDbUrl - https://**PROJECT_ID**-cdbg.firebaseio.com will be used if not
-    provided. where **PROJECT_ID** is your project ID.
+  * firebaseDbUrl - https://**PROJECT_ID**-cdbg.firebaseio.com will be used if
+    not provided. where **PROJECT_ID** is your project ID.
   * firebaseKeyPath - Default google application credentials are used if not
     provided.
 
-  ### Using the Debugger
-
-  Using the Debugger with the Firebase Realtime Database backend requires using
-  the Snapshot Debugger CLI.
-
-  See the [full Snapshot Debugger CLI documentation][snapshot-debugger-readme].
+  See https://github.com/GoogleCloudPlatform/snapshot-debugger and
+  https://cloud.google.com/debugger/docs/deprecations for more details.
 
   ## Limitations and Requirements
 

README.md

@@ -99,14 +99,11 @@ because the debug agent resolves a snapshot filename by searching for a file
 with the longest matching path suffix. If a unique match is found, that file
 will be used to set the snapshot.
 
-## Firebase Realtime Database backend
+## Snapshot Debugger - Firebase Realtime Database Backend
 
-The Cloud Debugger API is deprecated and will be turned down in May 2023.
-
-You can use Firebase Realtime Database for data persistence as an
-alternative.
-
-### Enabling the agent
+This functionality is available for release 6.0.0 onward of this agent and
+provides support for the Snapshot Debugger, which is being provided as a
+replacement for the deprecated Cloud Debugger service.
 
 To enable the agent, add the following at the top of your app's main script
 or entry point:
@@ -120,17 +117,13 @@ require('@google-cloud/debug-agent').start({
 ```
 
 The following params are optional:
-* firebaseDbUrl - https://**PROJECT_ID**-cdbg.firebaseio.com will be used if not
-  provided. where **PROJECT_ID** is your project ID.
+* firebaseDbUrl - https://**PROJECT_ID**-cdbg.firebaseio.com will be used if
+  not provided. where **PROJECT_ID** is your project ID.
 * firebaseKeyPath - Default google application credentials are used if not
   provided.
 
-### Using the Debugger
-
-Using the Debugger with the Firebase Realtime Database backend requires using
-the Snapshot Debugger CLI.
-
-See the [full Snapshot Debugger CLI documentation][snapshot-debugger-readme].
+See https://github.com/GoogleCloudPlatform/snapshot-debugger and
+https://cloud.google.com/debugger/docs/deprecations for more details.
 
 ## Limitations and Requirements