title: Fastify OpenApi 3(Swaggger) -- Hide / Exclude a header parameter
body: <p>I am using Fastify-swagger  using dynamic-openapi in my project(NodeJs+Fastify), I need to hide or ignore an header parameter which is used for authorisation purpose. Is there any option available to hide or exclude that header parameter from the generated API documentation and from swagger UI .</p>
  <p>Need an alternative to &quot;@ApiIgnore&quot;(Java Spring boot annotation) in Fastify.</p>