Context

• node version: 10.16.3
• joi version: 16.0.0
• environment (node, browser): node
• used with (hapi, standalone, ...): standalone
• any other relevant information:

What are you trying to achieve or the steps to reproduce ?

const schema = Joi.only("A").required()

Which result you had ?

TypeError: Joi.only is not a function

What did you expect ?

No exception