func (cb *ContextBuilder) AddHeader(key, value string) *ContextBuilder {
	if cb.Headers == nil {
		cb.Headers = map[string]string{key: value}
	} else {
		cb.Headers[key] = value
	}
	return cb
}
func (cb *ContextBuilder) AddHeader(key, value string) *ContextBuilder {
	if cb.Headers == nil {
		cb.Headers = map[string]string{key: value}
	} else {
		cb.Headers[key] = value
	}
	return cb
}
func ( cb * ContextBuilder ) AddHeader ( key , value string ) * ContextBuilder { if cb . Headers == nil { cb . Headers = map [ string ] string { key : value } } else { cb . Headers [ key ] = value } return cb }
// AddHeader adds a single application header to the Context.
AddHeader adds a single application header to the Context .