method Context.prototype.assertimport { Context } from "https://deno.land/x/fast@4.0.0-alpha.1/mod.ts"; assert(expr: unknown,status?,message?,init?: ResponseInit,): asserts exprParametersexpr: unknownoptionalstatus = [UNSUPPORTED]optionalmessage = [UNSUPPORTED]optionalinit: ResponseInit = [UNSUPPORTED]Returnsasserts expr