method Dhkem.prototype.encapimport { Dhkem } from "https://deno.land/x/hpke@1.2.7/src/kems/dhkem.ts"; encap(params: SenderContextParams): Promise<{ sharedSecret: ArrayBuffer; enc: ArrayBuffer; }>Parametersparams: SenderContextParamsReturnsPromise<{ sharedSecret: ArrayBuffer; enc: ArrayBuffer; }>