/**
 * Shared types and constants for the Segment Cache.
 */
export declare const enum NavigationResultTag {
    MPA = 0,
    Success = 1,
    NoOp = 2,
    Async = 3
}
/**
 * The priority of the prefetch task. Higher numbers are higher priority.
 */
export declare const enum PrefetchPriority {
    /**
     * Assigned to the most recently hovered/touched link. Special network
     * bandwidth is reserved for this task only. There's only ever one Intent-
     * priority task at a time; when a new Intent task is scheduled, the previous
     * one is bumped down to Default.
     */
    Intent = 2,
    /**
     * The default priority for prefetch tasks.
     */
    Default = 1,
    /**
     * Assigned to tasks when they spawn non-blocking background work, like
     * revalidating a partially cached entry to see if more data is available.
     */
    Background = 0
}
export declare const enum FetchStrategy {
    LoadingBoundary = 0,
    PPR = 1,
    PPRRuntime = 2,
    Full = 3
}
/**
 * A subset of fetch strategies used for prefetch tasks.
 * A prefetch task can't know if it should use `PPR` or `LoadingBoundary`
 * until we complete the initial tree prefetch request, so we use `PPR` to signal both cases
 * and adjust it based on the route when actually fetching.
 * */
export type PrefetchTaskFetchStrategy = FetchStrategy.PPR | FetchStrategy.PPRRuntime | FetchStrategy.Full;