TSTypePredicate(node) {
      const firstToken = tokenStore.getFirstToken(node)
      const opToken = tokenStore.getTokenAfter(
        node.parameterName,
        isNotClosingParenToken
      )
      const rightToken =
        node.typeAnnotation &&
        getFirstAndLastTokens(node.typeAnnotation).firstToken
      setOffset(
        [opToken, rightToken],
        1,
        getFirstAndLastTokens(firstToken).firstToken
      )
    }
Process type predicate

e.g.
```
function foo(value): value is string;
//                   ^^^^^^^^^^^^^^^
```