export declare const CRASH_LOOP_RESTARTS = 3;
export declare const UPDATE_PROBATION: {
    readonly watchMs: number;
    readonly graceMs: number;
    readonly journalMs: number;
    readonly strikes: 3;
    readonly keptBuilds: 2;
    readonly crashLoopRestarts: 3;
};
export interface ProbationLook {
    readonly running: boolean;
    readonly restarting: boolean;
    readonly restarts: number;
    readonly answered: boolean;
    readonly ready: boolean | null;
    readonly journal: string | null;
    readonly reach: string | null;
    readonly bootFailure: string | null;
    readonly daemonRestarts: number;
    readonly crashLoop: string | null;
    readonly held: boolean;
}
export interface ProbationSwap {
    readonly at: number;
    readonly reach: string | null;
}
export type ProbationVerdict = {
    readonly kind: "healthy";
} | {
    readonly kind: "pending";
} | {
    readonly kind: "strike";
    readonly reason: string;
} | {
    readonly kind: "fail";
    readonly reason: string;
};
export declare const judgeProbation: (look: ProbationLook, swap: ProbationSwap, now: number, graceMs?: number) => ProbationVerdict;
export type ProbationStep = {
    readonly action: "roll-back";
    readonly reason: string;
} | {
    readonly action: "watch";
    readonly strikes: number;
    readonly reason?: string;
} | {
    readonly action: "keep";
};
export declare const probationStep: (verdict: ProbationVerdict, strikes: number, over: boolean) => ProbationStep;
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