method CompactSign.prototype.setProtectedHeaderimport { CompactSign } from "https://dotland.deno.dev/x/jose@v5.9.2/index.ts"; setProtectedHeader(protectedHeader: CompactJWSHeaderParameters): thisSets the JWS Protected Header on the Sign object. ParametersprotectedHeader: CompactJWSHeaderParametersJWS Protected Header. Returnsthis