@safejs/serializer/lib/presets/built-in.d.ts

Serializer is a superset of JSON that includes recursive objects, dates, regular expressions, functions and others which you also can expand by yourself

/**
 * Built-in serializers
 * IMPORTANT!: order cannot be changed
 */
export declare enum BuiltIn {
    undefined = 0,
    positiveInfinity = 1,
    negativeInfinity = 2,
    nan = 3,
    date = 4,
    regExp = 5,
    symbol = 6,
    set = 7,
    map = 8,
    function = 9
}