The byte order mark

Start of doc-mode

Unexpected end of flow-mode

Next token is a scalar value

Stringify a CST document, token, or collection item

Create a new scalar token with value

Get a printable representation of a lexer token

Set the value of token to the given string value, overwriting any previous contents and type that it may have.

Identify the type of a lexer token. May return null for unknown tokens.

Apply a visitor to a CST document or item.