| 12345678910111213141516171819 | const SemVer = require('../classes/semver')const inc = (version, release, options, identifier, identifierBase) => {  if (typeof (options) === 'string') {    identifierBase = identifier    identifier = options    options = undefined  }  try {    return new SemVer(      version instanceof SemVer ? version.version : version,      options    ).inc(release, identifier, identifierBase).version  } catch (er) {    return null  }}module.exports = inc
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