# I Want to...

- [Use Generics](/moat-maker/i-want-to/use-generics.md): What tools are available to replicate TypeScript's generics?
- [Customize Assertion Error Messages](/moat-maker/i-want-to/customize-assertion-error-messages.md): How can I add additional context to an assertion error's message?
- [Create Circular References](/moat-maker/i-want-to/create-circular-references.md): How do I make a validator schema reference itself?