Fix #1237 TeamBillableInfoRequest missing 2 optional arguments (#1240)

Author: seratch

json-logs/samples/api/team.billableInfo.json

@@ -10,5 +10,8 @@
   },
   "error": "",
   "needed": "",
-  "provided": ""
+  "provided": "",
+  "response_metadata": {
+    "next_cursor": ""
+  }
 }

slack-api-client/src/main/java/com/slack/api/methods/RequestFormBuilder.java

@@ -2469,6 +2469,8 @@ public static FormBody.Builder toForm(TeamBillableInfoRequest req) {
         FormBody.Builder form = new FormBody.Builder();
         setIfNotNull("user", req.getUser(), form);
         setIfNotNull("team_id", req.getTeamId(), form);
+        setIfNotNull("cursor", req.getCursor(), form);
+        setIfNotNull("limit", req.getLimit(), form);
         return form;
     }
 

slack-api-client/src/main/java/com/slack/api/methods/request/team/TeamBillableInfoRequest.java

@@ -26,4 +26,15 @@ public class TeamBillableInfoRequest implements SlackApiRequest {
      */
     private String teamId;
 
+    /**
+     * Set cursor to next_cursor returned by previous call,
+     * to indicate from where you want to list next page of users list.
+     * Default value fetches the first page.
+     */
+    private String cursor;
+
+    /**
+     * The maximum number of items to return.
+     */
+    private Integer limit;
 }

slack-api-client/src/main/java/com/slack/api/methods/response/team/TeamBillableInfoResponse.java

@@ -2,6 +2,7 @@
 
 import com.slack.api.methods.SlackApiTextResponse;
 import com.slack.api.model.BillableInfo;
+import com.slack.api.model.ResponseMetadata;
 import lombok.Data;
 
 import java.util.List;
@@ -18,4 +19,5 @@ public class TeamBillableInfoResponse implements SlackApiTextResponse {
     private transient Map<String, List<String>> httpResponseHeaders;
 
     private Map<String, BillableInfo> billableInfo;
+    private ResponseMetadata responseMetadata;
 }

slack-api-client/src/test/java/test_with_remote_apis/methods/team_Test.java

@@ -109,6 +109,23 @@ public void teamBillableInfo() throws Exception {
         assertThat(response.isOk(), is(true));
     }
 
+    @Test
+    public void teamBillableInfo_pagination() throws Exception {
+        TeamBillableInfoResponse response = slack.methods().teamBillableInfo(r -> r
+                .token(userToken).limit(1));
+        int count = 0;
+        String nextCursor = response.getResponseMetadata().getNextCursor();
+        while (count < 5 && !nextCursor.equals("")) {
+            final String _nextCursor = nextCursor;
+            response = slack.methods().teamBillableInfo(r -> r
+                    .token(userToken).cursor(_nextCursor).limit(1));
+            assertThat(response.getError(), is(nullValue()));
+            assertThat(response.isOk(), is(true));
+            nextCursor = response.getResponseMetadata().getNextCursor();
+            count += 1;
+        }
+    }
+
     @Test
     public void teamBillableInfo_async() throws Exception {
         // Using async client to avoid an exception due to rate limited errors