Imports github.com/mxmCherry/openrtb/v16/openrtb2 github.com/prebid/prebid-server/adapters github.com/prebid/prebid-server/config github.com/prebid/prebid-server/errortypes github.com/prebid/prebid-server/openrtb_ext Standard library imports bytes encoding/base64 encoding/json errors fmt html/template net/http net/url strings