method Bson.Long.prototype.subtractRe-exportimport { Bson } from "https://deno.land/x/mongo@v0.31.1/mod.ts"; const { Long } = Bson; subtract(subtrahend: | string | number | Long | Timestamp): LongReturns the difference of this and the specified Long. Parameterssubtrahend: | string | number | Long | Timestamp Subtrahend ReturnsLongDifference