export declare function defaultDataDir(): string;
export declare function resolveDataDir(): string;
export declare function resolveConfigPath(): string;
/**
 * Checks the bootstrap file and all existing ancestors before it is read. The
 * file may be absent during setup, but an existing file must be a private,
 * daemon-owned regular file. Ancestors may not be symlinks, foreign-owned, or
 * writable by group/other, preventing parent substitution after deployment.
 */
export declare function validateBootstrapConfigPath(path?: string, options?: {
    repairPermissions?: boolean;
    onRepair?: (path: string, mode: number) => void;
}): void;
export interface BootstrapConfig {
    slackBotToken: string;
    slackAppToken: string;
    dataDir: string;
    configPath: string;
    /** Optional colon-separated directories prepended when launching pi. */
    extraPath: string;
}
/** Loads bootstrap values at runtime, never as an import side effect. */
export declare function loadBootstrapConfig(): BootstrapConfig;
export declare function validateSlackTokens(cfg?: BootstrapConfig): string[];