declare namespace javax {
    namespace servlet {
        namespace http {
            interface HttpServletResponse extends javax.servlet.ServletResponse {
                SC_CONTINUE: int
                SC_SWITCHING_PROTOCOLS: int
                SC_OK: int
                SC_CREATED: int
                SC_ACCEPTED: int
                SC_NON_AUTHORITATIVE_INFORMATION: int
                SC_NO_CONTENT: int
                SC_RESET_CONTENT: int
                SC_PARTIAL_CONTENT: int
                SC_MULTIPLE_CHOICES: int
                SC_MOVED_PERMANENTLY: int
                SC_MOVED_TEMPORARILY: int
                SC_FOUND: int
                SC_SEE_OTHER: int
                SC_NOT_MODIFIED: int
                SC_USE_PROXY: int
                SC_TEMPORARY_REDIRECT: int
                SC_BAD_REQUEST: int
                SC_UNAUTHORIZED: int
                SC_PAYMENT_REQUIRED: int
                SC_FORBIDDEN: int
                SC_NOT_FOUND: int
                SC_METHOD_NOT_ALLOWED: int
                SC_NOT_ACCEPTABLE: int
                SC_PROXY_AUTHENTICATION_REQUIRED: int
                SC_REQUEST_TIMEOUT: int
                SC_CONFLICT: int
                SC_GONE: int
                SC_LENGTH_REQUIRED: int
                SC_PRECONDITION_FAILED: int
                SC_REQUEST_ENTITY_TOO_LARGE: int
                SC_REQUEST_URI_TOO_LONG: int
                SC_UNSUPPORTED_MEDIA_TYPE: int
                SC_REQUESTED_RANGE_NOT_SATISFIABLE: int
                SC_EXPECTATION_FAILED: int
                SC_INTERNAL_SERVER_ERROR: int
                SC_NOT_IMPLEMENTED: int
                SC_BAD_GATEWAY: int
                SC_SERVICE_UNAVAILABLE: int
                SC_GATEWAY_TIMEOUT: int
                SC_HTTP_VERSION_NOT_SUPPORTED: int
                addCookie(arg0: javax.servlet.http.Cookie): void
                containsHeader(arg0: java.lang.String | string): boolean
                encodeURL(arg0: java.lang.String | string): string
                encodeRedirectURL(arg0: java.lang.String | string): string
                encodeUrl(arg0: java.lang.String | string): string
                encodeRedirectUrl(arg0: java.lang.String | string): string
                sendError(arg0: int, arg1: java.lang.String | string): void
                sendError(arg0: int): void
                sendRedirect(arg0: java.lang.String | string): void
                setDateHeader(arg0: java.lang.String | string, arg1: long): void
                addDateHeader(arg0: java.lang.String | string, arg1: long): void
                setHeader(arg0: java.lang.String | string, arg1: java.lang.String | string): void
                addHeader(arg0: java.lang.String | string, arg1: java.lang.String | string): void
                setIntHeader(arg0: java.lang.String | string, arg1: int): void
                addIntHeader(arg0: java.lang.String | string, arg1: int): void
                setStatus(arg0: int): void
                setStatus(arg0: int, arg1: java.lang.String | string): void
                getStatus(): int
                getHeader(arg0: java.lang.String | string): string
                getHeaders(arg0: java.lang.String | string): java.util.Collection<java.lang.String>
                getHeaderNames(): java.util.Collection<java.lang.String>
            }
        }
    }
}