method EncryptJWT.prototype.setProtectedHeaderimport { EncryptJWT } from "https://dotland.deno.dev/x/jose@v5.9.2/index.ts"; setProtectedHeader(protectedHeader: CompactJWEHeaderParameters): thisSets the JWE Protected Header on the EncryptJWT object. ParametersprotectedHeader: CompactJWEHeaderParametersJWE Protected Header. Must contain an "alg" (JWE Algorithm) and "enc" (JWE Encryption Algorithm) properties. Returnsthis