fix: vars

Author: jhefferman-sfdc

test/commands/lightning/dev/helpers/processUtils.ts

@@ -14,16 +14,18 @@
  * limitations under the License.
  */
 
+import { type ChildProcess } from 'node:child_process';
 import treeKill from 'tree-kill';
 
 /**
  * Clean up a server process and all its child processes. Uses tree-kill so
  * descendant node processes (e.g. LWR workers) are terminated.
  */
-export function killServerProcess(serverProcess: { pid?: number } | null | undefined): void {
+export function killServerProcess(serverProcess: ChildProcess | null | undefined): void {
   if (!serverProcess?.pid) return;
   const pid = serverProcess.pid;
   try {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-call
     treeKill(pid, 'SIGKILL');
   } catch (error) {
     const err = error as NodeJS.ErrnoException;