CryptoCertificatePurpose import { CryptoCertificatePurpose } from "destack:crypto/binding"; Certificate verification purpose. export enum CryptoCertificatePurpose { ServerAuth = 1, ClientAuth = 2, CodeSigning = 3, EmailProtection = 4, } language/library/src/crypto/binding/certificate.ds:20:29 Variants ServerAuth = 1 Server TLS authentication. ClientAuth = 2 Client TLS authentication. CodeSigning = 3 Code signing validation. EmailProtection = 4 Email protection validation.