delimiter: update ts definition

Author: wdavidw

CHANGELOG.md

@@ -13,6 +13,7 @@
 ## Trunk
 
 Minor improvements:
+* delimiter: update ts definition
 * delimiter: new sample
 
 ## Version 4.9.0

test/api.types.ts

@@ -159,6 +159,7 @@ describe('API Types', () => {
     it('delimiter', () => {
       const options: Options = {}
       options.delimiter = ':'
+      options.delimiter = [':', ')']
       options.delimiter = Buffer.from(':')
     })