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src/util.ts

@@ -478,3 +478,16 @@ export function getRequiredEnvParam(paramName: string): string {
   }
   return value;
 }
+
+export class HTTPError extends Error {
+  public status: number;
+
+  constructor(message: string, status: number) {
+    super(message);
+    this.status = status;
+  }
+}
+
+export function isHTTPError(arg: any): arg is HTTPError {
+  return arg?.status !== undefined && Number.isInteger(arg.status);
+}