method KeyStack.prototype.signimport { KeyStack } from "https://dotland-vbqsvsrpfncg.deno-staging.dev/x/oak@v11.1.0/keyStack.ts?p=prototype.sign&s=KeyStack";sign(data: Data): Promise<string>Take data and return a SHA256 HMAC digest that uses the current 0 index of the keys passed to the constructor. This digest is in the form of a URL safe base64 encoded string. Parametersdata: Data[src]ReturnsPromise<string>[src]