Deep copies the object and returns a new instance.
Optional
options: ConvertOptionsCompares this object's fields to another object's fields for equality. Equality is determined by comparing the JSON representations of the objects.
If normalizeNumberTypes
is true, then all number types will be compared as strings (i.e. "1n" === "1" === 1). Else, they will be compared as their native types (i.e. 1n !== 1 !== "1").
Optional
normalizeNumberTypes: booleanChecks if the object has number fields.
Converts the object to a JSON object with all primitive types.
Converts the object to a JSON string.