/**
 * Base error class for Clibu runtime errors.
 *
 * All domain-specific errors extend this class and provide a stable `code`
 * string that callers can use to switch on error categories.
 */
export declare class ClibuError extends Error {
    code: string;
    constructor(message: string, code: string);
}
/** Error raised during parsing (tokenization / option parsing). */
export declare class ParsingError extends ClibuError {
    constructor(message: string);
}
/** Error raised when option values fail validation rules. */
export declare class ValidationError extends ClibuError {
    constructor(message: string);
}
/** Error thrown when a requested command path cannot be resolved. */
export declare class CommandNotFoundError extends ClibuError {
    constructor(commandPath: string[]);
}
/** Error representing a conflict between option definitions (alias or kind). */
export declare class OptionConflictError extends ClibuError {
    constructor(optionName: string, detail?: string);
}