format

sf-integer - structured fields integer as defined in RFC8941

JSON Data Type: number.

The sf-integer format represents a structured fields integer as defined in RFC8941.

sf-integer = ["-"] 1*15DIGIT

Integers have a range of -999,999,999,999,999 to 999,999,999,999,999 inclusive (i.e., up to fifteen digits, signed), for IEEE 754 compatibility IEEE754.

This format is appropriate for a header value that must conform to the sf-integer structured field definition.