16.0.0

Features

• add Type#isNever() (ac0db0d), closes #1303
• add Type#isReadonlyArray() and Type#isArray() also includes readonly arrays (f1d5c43), closes #1306 #1305
• upgrade to TS 4.8 (#1316) (8a87a1b)

BREAKING CHANGES

• Upgraded to TS 4.8
• Decorators are now modifiers due to TS 4.8
• ts.createX functions seem almost completely deprecated in TS 4.8, so make sure to update your code to use the traversal.context.createX functions instead
• Type#isArray() returns true for readonly arrays