chore: Update discovery artifacts (#1336)

## Deleted keys were detected in the following stable discovery artifacts:
servicemanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/6e593517543990b40c8c6a4c2512e176a0b896f4)

## Discovery Artifact Change Summary:
contentv21[ [More details]](https://github.com/googleapis/google-api-python-client/commit/e18a707b3351372b6bad9961a3cc0a1087fb907b)
dnsv1beta2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/bb15dc54f5f110036bdb96d247d20f6908324547)
servicemanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/6e593517543990b40c8c6a4c2512e176a0b896f4)
translatev3beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0ab9156b06cbc33b173851b20ab73bdd06522fe8)

chore(acceleratedmobilepageurl): update the api
chore(accessapproval): update the api
chore(adexchangebuyer): update the api
chore(adexchangebuyer2): update the api
chore(admob): update the api
chore(analyticsadmin): update the api
chore(analyticsdata): update the api
chore(analyticsreporting): update the api
chore(androiddeviceprovisioning): update the api
chore(androidmanagement): update the api
chore(apigateway): update the api
chore(apikeys): update the api
chore(area120tables): update the api
chore(calendar): update the api
chore(chromemanagement): update the api
chore(chromepolicy): update the api
chore(cloudchannel): update the api
chore(cloudkms): update the api
chore(cloudtasks): update the api
chore(composer): update the api
feat(content): update the api
chore(customsearch): update the api
chore(datastore): update the api
chore(dialogflow): update the api
chore(digitalassetlinks): update the api
feat(dns): update the api
chore(docs): update the api
chore(domainsrdap): update the api
chore(essentialcontacts): update the api
chore(eventarc): update the api
chore(factchecktools): update the api
chore(file): update the api
chore(firebase): update the api
chore(firebasedatabase): update the api
chore(firestore): update the api
chore(gmailpostmastertools): update the api
chore(indexing): update the api
chore(jobs): update the api
chore(libraryagent): update the api
chore(licensing): update the api
chore(manufacturers): update the api
chore(mybusinessaccountmanagement): update the api
chore(mybusinesslodging): update the api
chore(mybusinessplaceactions): update the api
chore(orgpolicy): update the api
chore(pagespeedonline): update the api
chore(paymentsresellersubscription): update the api
chore(policytroubleshooter): update the api
chore(prod_tt_sasportal): update the api
chore(realtimebidding): update the api
chore(runtimeconfig): update the api
chore(safebrowsing): update the api
chore(script): update the api
chore(serviceconsumermanagement): update the api
feat(servicemanagement): update the api
chore(serviceusage): update the api
chore(slides): update the api
chore(storage): update the api
chore(streetviewpublish): update the api
chore(tasks): update the api
chore(toolresults): update the api
feat(translate): update the api
chore(workflows): update the api
chore(youtube): update the api
chore(youtubeAnalytics): update the api
chore(youtubereporting): update the api
chore(docs): Add new discovery artifacts and reference documents
diff --git a/docs/dyn/calendar_v3.events.html b/docs/dyn/calendar_v3.events.html
index 935a2e3..33e4475 100644
--- a/docs/dyn/calendar_v3.events.html
+++ b/docs/dyn/calendar_v3.events.html
@@ -194,11 +194,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -459,11 +459,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -720,11 +720,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -985,11 +985,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -1255,11 +1255,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -1551,11 +1551,11 @@
       "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
         "conferenceId": "A String", # The ID of the conference.
             # Can be used by developers to keep track of conferences, should not be displayed to users.
-            # Values for solution types:
-            # - "eventHangout": unset.
-            # - "eventNamedHangout": the name of the Hangout.
-            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-            # - "addOn": defined by 3P conference provider.  Optional.
+            # The ID value is formed differently for each conference solution type: `
+            # - eventHangout: ID is not set.
+            # - eventNamedHangout: ID is the name of the Hangout.
+            # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+            # - addOn: ID is defined by the third-party provider.  Optional.
         "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
             # Unset for a conference with a failed create request.
             # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -1892,11 +1892,11 @@
       "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
         "conferenceId": "A String", # The ID of the conference.
             # Can be used by developers to keep track of conferences, should not be displayed to users.
-            # Values for solution types:
-            # - "eventHangout": unset.
-            # - "eventNamedHangout": the name of the Hangout.
-            # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-            # - "addOn": defined by 3P conference provider.  Optional.
+            # The ID value is formed differently for each conference solution type: `
+            # - eventHangout: ID is not set.
+            # - eventNamedHangout: ID is the name of the Hangout.
+            # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+            # - addOn: ID is defined by the third-party provider.  Optional.
         "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
             # Unset for a conference with a failed create request.
             # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -2190,11 +2190,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -2456,11 +2456,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -2727,11 +2727,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -3002,11 +3002,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -3268,11 +3268,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.
@@ -3539,11 +3539,11 @@
   "conferenceData": { # The conference-related information, such as details of a Google Meet conference. To create new conference details use the createRequest field. To persist your changes, remember to set the conferenceDataVersion request parameter to 1 for all event modification requests.
     "conferenceId": "A String", # The ID of the conference.
         # Can be used by developers to keep track of conferences, should not be displayed to users.
-        # Values for solution types:
-        # - "eventHangout": unset.
-        # - "eventNamedHangout": the name of the Hangout.
-        # - "hangoutsMeet": the 10-letter meeting code, for example "aaa-bbbb-ccc".
-        # - "addOn": defined by 3P conference provider.  Optional.
+        # The ID value is formed differently for each conference solution type: `
+        # - eventHangout: ID is not set.
+        # - eventNamedHangout: ID is the name of the Hangout.
+        # - hangoutsMeet: ID is the 10-letter meeting code, for example aaa-bbbb-ccc.
+        # - addOn: ID is defined by the third-party provider.  Optional.
     "conferenceSolution": { # The conference solution, such as Hangouts or Google Meet.
         # Unset for a conference with a failed create request.
         # Either conferenceSolution and at least one entryPoint, or createRequest is required.