code: function isClosingToken (token) {
    return token != null && (
      token.type === 'HTMLEndTagOpen' ||
      token.type === 'VExpressionEnd' ||
      (
        token.type === 'Punctuator' &&
        (
          token.value === ')' ||
          token.value === '}' ||
          token.value === ']'
        )
      )
    )
  }
docs: Check whether a given token is a closing token which triggers unindent.
  @param {Token} token The token to check.
  @returns {boolean} `true` if the token is a closing token.