method Keyframe.prototype.getFlagIndeximport { Keyframe } from "https://deno.land/x/remapper@3.1.2/src/animation.ts"; getFlagIndex(flag: string, exact?)Gets the index of a flag. Parametersflag: stringThe flag to look for. optionalexact = [UNSUPPORTED]Whether it should be an exact match, or just contain the flag argument.