export interface AftAvailability {
    available: boolean;
    opencode: boolean;
    pi: boolean;
    checkedPaths: string[];
}
export declare function getAftAvailability(): AftAvailability;
export declare function isAftAvailable(): boolean;
/** Test-only override for deterministic key-files unit tests. */
export declare function setAftAvailabilityOverride(value: boolean | null): void;
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