export declare const EXIT_SUCCESS = 0;
export declare const EXIT_NO_CANDIDATES = 1;
export declare const EXIT_INVALID_INPUT = 2;
export declare const EXIT_DOWNSTREAM = 3;
export type CliExitCode = typeof EXIT_SUCCESS | typeof EXIT_NO_CANDIDATES | typeof EXIT_INVALID_INPUT | typeof EXIT_DOWNSTREAM;
/**
 * The one error type the CLI throws for expected, user-facing failures.
 * Unknown exceptions still bubble up to `main()` and are mapped to
 * `EXIT_DOWNSTREAM` with the underlying message preserved.
 */
export declare class CliError extends Error {
    readonly code: CliExitCode;
    constructor(code: CliExitCode, message: string);
}
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