function putVarnumimport { putVarnum } from "https://deno.land/std@0.36.0/encoding/mod.ts"; putVarnum(b: Uint8Array,x: number,o?: VarnumOptions,): numberEncode a number x into b, and return the number of bytes used. Data-type defaults to int32. Returns 0 if b is too short for the data-type given in o. Parametersb: Uint8Arrayx: numberoptionalo: VarnumOptions = [UNSUPPORTED]Returnsnumber