func (c *RequestHeaderAuthRequestController) UsernameHeaders() []string {
	return c.loadRequestHeaderFor(c.usernameHeadersKey)
}

func (c *RequestHeaderAuthRequestController) GroupHeaders() []string {
	return c.loadRequestHeaderFor(c.groupHeadersKey)
}

func (c *RequestHeaderAuthRequestController) ExtraHeaderPrefixes() []string {
	return c.loadRequestHeaderFor(c.extraHeaderPrefixesKey)
}