Introduce WaitForNodes alias type (#4205) (#4208)

(cherry picked from commit 8f14e66)

Co-authored-by: Florian Bernd <[email protected]>

Author: github-actions[bot]

specification/cluster/health/ClusterHealthRequest.ts

@@ -26,8 +26,8 @@ import {
   WaitForActiveShards,
   WaitForEvents
 } from '@_types/common'
-import { integer } from '@_types/Numeric'
 import { Duration } from '@_types/Time'
+import { WaitForNodes } from './types'
 
 /**
  * Get the cluster health status.
@@ -99,7 +99,7 @@ export interface Request extends RequestBase {
     /**
      * The request waits until the specified number N of nodes is available. It also accepts >=N, <=N, >N and <N. Alternatively, it is possible to use ge(N), le(N), gt(N) and lt(N) notation.
      */
-    wait_for_nodes?: string | integer
+    wait_for_nodes?: WaitForNodes
     /**
      * A boolean value which controls whether to wait (until the timeout provided) for the cluster to have no shard initializations. Defaults to false, which means it will not wait for initializing shards.
      * @server_default false

specification/cluster/health/types.ts

@@ -43,3 +43,5 @@ export class ShardHealthStats {
   unassigned_shards: integer
   unassigned_primary_shards: integer
 }
+
+export type WaitForNodes = string | integer