/**
 * Represents the outcome of fast forwarding an observer.
 */
export declare enum FastForwardOutcome {
    /** The observer was moved to the tail of the event sequence. */
    FastForwarded = "FastForwarded",
    /** The observer was already at the tail of the event sequence, so nothing was changed. */
    AlreadyAtTail = "AlreadyAtTail",
    /** The observer is replaying, so it cannot be fast forwarded until the replay has completed. */
    Replaying = "Replaying",
    /** The observer is retired or removed, so nothing was changed. */
    NotAvailable = "NotAvailable"
}
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