code: function isValidSpacing(left, right, expected) {
              return (
                  astUtils.isClosingBraceToken(right) ||
                  !astUtils.isTokenOnSameLine(left, right) ||
                  sourceCode.isSpaceBetweenTokens(left, right) === expected
              );
          }
docs: Check whether the spacing between the given 2 tokens is valid or not.
  @param {Token} left The left token to check.
  @param {Token} right The right token to check.
  @param {boolean} expected The expected spacing to check. `true` if there should be a space.
  @returns {boolean} `true` if the spacing between the tokens is valid.