func AddExtendedField(name string, value interface{}) *Generator {
	return gen.AddExtendedField(name, value)
}
AddExtendedField add vendor extension field to document
package swgen
import "net/http"
var gen = NewGenerator()
func EnableCORS(b bool, allowHeaders ...string) *Generator {
	return gen.EnableCORS(b, allowHeaders...)
}
func SetHost(host string) *Generator {
	return gen.SetHost(host)
}
func SetBasePath(basePath string) *Generator {
	return gen.SetBasePath(basePath)
}
func SetContact(name, url, email string) *Generator {
	return gen.SetContact(name, url, email)
}
func SetInfo(title, description, term, version string) *Generator {
	return gen.SetInfo(title, description, term, version)
}
func SetLicense(name, url string) *Generator {
	return gen.SetLicense(name, url)
}