import { CacheCategory, SafetyTier } from "../types";
/**
 * Safety tiers ordered from least to most restricted. Used to compare and
 * filter categories against a cleaning profile.
 */
export declare const SAFETY_TIER_ORDER: SafetyTier[];
export declare function isSafetyTier(value: string): value is SafetyTier;
/**
 * Display metadata per tier. Colors reference chalk method names so UI code
 * can apply them without this module depending on chalk.
 */
export declare const SAFETY_TIER_INFO: Record<SafetyTier, {
    label: string;
    color: "green" | "cyan" | "yellow" | "red";
    summary: string;
}>;
/**
 * Effective safety tier for a category. Categories that predate the safety
 * field derive a tier from their priority: critical (active in the last day)
 * maps to caution, low (untouched for 30+ days) maps to safe, everything
 * else is probably-safe. "manual" is never derived - cleaners must opt in
 * explicitly.
 */
export declare function effectiveSafety(category: CacheCategory): SafetyTier;
/**
 * Cleaning profiles: named presets mapping to the set of tiers cleaned
 * without per-item confirmation. The "manual" tier is intentionally part of
 * no profile - manual categories always need explicit consent.
 */
export type CleaningProfileName = "conservative" | "balanced" | "aggressive";
export declare const CLEANING_PROFILES: Record<CleaningProfileName, {
    tiers: SafetyTier[];
    description: string;
}>;
export declare const DEFAULT_PROFILE: CleaningProfileName;
export declare function isCleaningProfileName(value: string): value is CleaningProfileName;
/**
 * Resolve the allowed tiers for a profile name; unknown names fall back to
 * the default profile.
 */
export declare function tiersForProfile(profile?: string): SafetyTier[];
/**
 * Parse a user-supplied comma-separated tier list (e.g. "safe,caution").
 * Returns null when any entry is invalid so callers can report it.
 */
export declare function parseSafetyTiers(input: string): SafetyTier[] | null;
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