message: regexp-to-ast version not printed correctly.
diff: -import { RegExpParser, regexpToAstVersion } from "regexp-to-ast"
  +import { RegExpParser, VERSION } from "regexp-to-ast"
  import {
  flatten,
  map,
  @@ -45,7 +45,7 @@ export function getStartCodes(
  PRINT_ERROR(
  `${failedOptimizationPrefixMsg}\n` +
  `\tFailed parsing: < ${regExp.toString()} >\n` +
  - `\tUsing the regexp-to-ast library version: ${regexpToAstVersion}\n` +
  + `\tUsing the regexp-to-ast library version: ${VERSION}\n` +
  "\tPlease open an issue at: https://github.com/bd82/regexp-to-ast/issues" +
  msgSuffix
  )
  