export type UpgradeMode = "direct" | "probe" | "shadow";
export type UpgradePreset = "raw" | "default-candidate";
export type EvidenceHarness = "single" | "multi";
/**
 * Benchmark/CI-only preset wiring for fanout parent-upgrade evidence.
 *
 * Do not import this module from runtime code. The production default remains
 * `parentUpgradeIntervalMs: 0`; this helper only keeps evaluator, prepush, and
 * default-readiness runner defaults reproducible.
 */
export type ParentUpgradePresetConfig = {
    parentUpgradePreset: UpgradePreset;
    parentUpgradeIntervalMs: number;
    parentUpgradeLeafOnly: boolean;
    parentUpgradeMinLevelGain: number;
    parentUpgradeRootMinLevelGain: number;
    parentUpgradeRootMinSubtreeGain: number;
    parentUpgradeNonRootMinLevelGain: number;
    parentUpgradeMinFreeSlots: number;
    parentUpgradeRootMinFreeSlots: number;
    parentUpgradeMaxChildLoadRatio: number;
    parentUpgradeRootMaxChildLoadRatio: number;
    parentUpgradeCooldownMs: number;
    parentUpgradeFailedBackoffMinMs: number;
    parentUpgradeFailedBackoffMaxMs: number;
    parentUpgradeQuietMs: number;
    parentUpgradeRepairQuietMs: number;
    parentUpgradeMaxPerPeer: number;
    parentUpgradeRepairGuard: boolean;
    parentUpgradeDataGuard: boolean;
    parentUpgradeMode: UpgradeMode;
    parentUpgradeVerifyStaleRootCapacity: boolean;
    parentUpgradeStaleRootProbeProbability: number;
    parentProbeTimeoutMs: number;
    parentProbeMaxPerRound: number;
    parentProbeMaxLagMessages: number;
    parentProbeRejectCooldownMs: number;
    parentProbeRejectCooldownMaxMs: number;
    parentShadowObserveMs: number;
    parentShadowMinObservations: number;
    parentShadowDualPathMs: number;
    parentShadowDualPathMinMessages: number;
};
export type ParentUpgradeRuntimeOptions = Omit<ParentUpgradePresetConfig, "parentUpgradePreset">;
export type EvidenceFailure = {
    metric: string;
    baseline: number;
    upgrade: number;
    limit: number;
};
export declare const DEFAULT_CANDIDATE_PRESET: "default-candidate";
export declare const DEFAULT_PARENT_UPGRADE_SEEDS: readonly [1, 2, 3];
export declare const DEFAULT_PARENT_UPGRADE_SEED_CSV: string;
export declare const DEFAULT_PARENT_UPGRADE_FAST_SEED_CSV = "1";
export declare const PARENT_UPGRADE_FRONTIER_ROOT_CAPS: readonly ["0.2", "0.225", "0.25", "0.4"];
export declare const PARENT_UPGRADE_HELP_TEXT: readonly ["  --parentUpgradePreset NAME   preset to evaluate (raw|default-candidate, default: raw)", "  --parentUpgradeIntervalMs MS upgrade check interval for treatment run (default: 1000)", "  --parentUpgradeLeafOnly 0|1  restrict treatment upgrades to leaves (default: 1)", "  --parentUpgradeMinLevelGain N min tree-level gain for treatment upgrades (default: 2)", "  --parentUpgradeRootMinLevelGain N min tree-level gain for root treatment targets (default: 3)", "  --parentUpgradeRootMinSubtreeGain N min level-gain times local branch size for root treatment targets (default: parentUpgradeRootMinLevelGain)", "  --parentUpgradeNonRootMinLevelGain N min tree-level gain for non-root treatment targets (default: 2)", "  --parentUpgradeMinFreeSlots N min free slots for treatment upgrade targets (default: 8)", "  --parentUpgradeRootMinFreeSlots N min free slots for root treatment targets (default: parentUpgradeMinFreeSlots)", "  --parentUpgradeMaxChildLoadRatio R max child load ratio after accepting treatment child (default: 0.5)", "  --parentUpgradeRootMaxChildLoadRatio R max root child load ratio after accepting treatment child (default: min(parentUpgradeMaxChildLoadRatio, 0.4))", "  --parentUpgradeCooldownMs MS  cooldown after successful treatment upgrades (default: 5000)", "  --parentUpgradeFailedBackoffMinMs MS initial backoff after failed probe/shadow rounds (default: 5000)", "  --parentUpgradeFailedBackoffMaxMs MS max backoff after failed probe/shadow rounds (default: 60000)", "  --parentUpgradeQuietMs MS     min quiet time since parent data before upgrades (default: 5000)", "  --parentUpgradeRepairQuietMs MS min quiet time since repair before upgrades (default: parentUpgradeQuietMs)", "  --parentUpgradeMaxPerPeer N   max successful treatment upgrades per peer, 0 = unlimited (default: 2)", "  --parentUpgradeRepairGuard 0|1 skip treatment upgrades while missing data (default: 1)", "  --parentUpgradeDataGuard 0|1 wait for finite channel completion before treatment upgrades (default: 1)", "  --parentUpgradeMode MODE      treatment upgrade mode (direct|probe|shadow, default: preset-dependent)", "  --parentUpgradeVerifyStaleRootCapacity 0|1 allow shadow probes against tracker-full root (default: 1 for default-candidate, otherwise 0)", "  --parentUpgradeStaleRootProbeProbability R base sample for tracker-full root probes per peer (default: 0.015625, default-candidate: 0.00390625)", "  --parentProbeTimeoutMs MS     timeout for probe-mode parent checks (default: 500)", "  --parentProbeMaxPerRound N    max probe-mode candidates per upgrade check (default: 2)", "  --parentProbeMaxLagMessages N max sequence lag for probe-mode candidates (default: 0)", "  --parentProbeRejectCooldownMs MS cooldown after rejected parent probes (default: 10000)", "  --parentProbeRejectCooldownMaxMs MS max adaptive cooldown after rejected parent probes (default: 60000)", "  --parentShadowObserveMs MS    min healthy shadow observation window before promotion (default: 2000)", "  --parentShadowMinObservations N min successful shadow observations before promotion (default: 2)", "  --parentShadowDualPathMs MS keep old parent during active-flow shadow cutover until candidate data is observed (default: 5000 for default-candidate, otherwise 0)", "  --parentShadowDualPathMinMessages N min candidate data messages before active-flow cutover (default: 32 for default-candidate, otherwise 1)"];
export declare const defaultCandidateArgs: (...args: string[]) => string[];
export declare const parentUpgradeRuntimeOptions: (config: ParentUpgradeRuntimeOptions, enabled?: boolean) => ParentUpgradeRuntimeOptions;
export declare const parseBool01: (value: string | undefined, fallback: boolean) => boolean;
export declare const parseCsvNumbers: (value: string | undefined, fallback: readonly number[]) => number[];
export declare const ratioLimit: (baseline: number, ratio: number, absoluteSlack?: number) => number;
export declare const avgFinite: (values: number[]) => number;
export declare const maxFinite: (values: number[]) => number;
export declare const fmt: (value: number, digits?: number) => string;
export declare const parseParentUpgradePreset: (value: string | undefined) => UpgradePreset;
export declare const isDefaultCandidatePreset: (preset: UpgradePreset) => preset is "default-candidate";
export declare const defaultEvidenceLimitsForPreset: (preset: UpgradePreset, harness: EvidenceHarness) => {
    maxProbePerUpgrade: number;
    maxRootChildrenDelta: number;
    maxRootUploadPctDelta: number;
};
export declare const parseParentUpgradePresetConfig: (get: (name: string) => string | undefined) => ParentUpgradePresetConfig;
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