const are: Are = Object.freeze({
bigint: areBigInt, // From the `5.0.0` version.
boolean: areBoolean, // From the `5.0.0` version.
date: areDate, // From the `5.0.0` version.
defined: areDefined, // From the `5.0.0` version.
false: areFalse, // From the `5.0.0` version.
null: areNull, // From the `5.0.0` version.
number: areNumber, // From the `5.0.0` version.
regexp: areRegExp, // From the `5.0.0` version.
string: areString,
symbol: areSymbol, // From the `5.0.0` version.
true: areTrue, // From the `5.0.0` version.
undefined: areUndefined // From the `5.0.0` version.
});