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var protectedDayOfYearTokens = ['D', 'DD']var protectedWeekYearTokens = ['YY', 'YYYY']
export function isProtectedDayOfYearToken(token) {  return protectedDayOfYearTokens.indexOf(token) !== -1}
export function isProtectedWeekYearToken(token) {  return protectedWeekYearTokens.indexOf(token) !== -1}
export function throwProtectedError(token, format, input) {  if (token === 'YYYY') {    throw new RangeError(      `Use \`yyyy\` instead of \`YYYY\` (in \`${format}\`) for formatting years to the input \`${input}\`; see: https://git.io/fxCyr`    )  } else if (token === 'YY') {    throw new RangeError(      `Use \`yy\` instead of \`YY\` (in \`${format}\`) for formatting years to the input \`${input}\`; see: https://git.io/fxCyr`    )  } else if (token === 'D') {    throw new RangeError(      `Use \`d\` instead of \`D\` (in \`${format}\`) for formatting days of the month to the input \`${input}\`; see: https://git.io/fxCyr`    )  } else if (token === 'DD') {    throw new RangeError(      `Use \`dd\` instead of \`DD\` (in \`${format}\`) for formatting days of the month to the input \`${input}\`; see: https://git.io/fxCyr`    )  }}