class Fr implements Field<Fr>import { Fr } from "https://deno.land/x/bls12_381@1.4.0/math.ts"; ConstructorsnewFr(value: bigint)Propertiesreadonlyvalue: bigintMethodsadd(rhs: Fr): Frdiv(rhs: Fr | bigint): Frequals(rhs: Fr): booleaninvert(): FrisZero(): booleanlegendre(): Frmultiply(rhs: Fr | bigint): Frnegate(): Frpow(n: bigint): Frsqrt(): Fr | undefinedsquare(): Frsubtract(rhs: Fr): FrtoString()Static PropertiesreadonlyONE: FrreadonlyORDERreadonlyZERO: FrStatic MethodsisValid(b: bigint)