export type ReachabilityInput = {
    error: unknown;
    /** HTTP status, when the request got far enough to have one. */
    status?: number;
};
/**
 * Core answered, and the answer is that this deployment does not exist — deleted, or an id that
 * never did. Distinct from unreachable: no retry can bring it back, so the reader is told the
 * embed is gone rather than offered a button that cannot work.
 */
export declare function isDeploymentMissing(input: ReachabilityInput): boolean;
export declare function isCoreUnreachable(input: ReachabilityInput): boolean;