/**
 * Typed error hierarchy. Every error the tool throws on purpose extends
 * `CasError`, so callers (and the CLI top-level handler) can distinguish an
 * expected, explainable failure from an unexpected crash.
 */
export declare class CasError extends Error {
    constructor(message: string);
}
/** Config file is missing required shape or has invalid values. */
export declare class ConfigError extends CasError {
}
/** Registry (accounts.json) operation failed (duplicate name, unknown account). */
export declare class RegistryError extends CasError {
}
/** `claude auth status` output could not be parsed. */
export declare class AuthStatusParseError extends CasError {
}
/** No usable account could be selected. */
export declare class NoAccountError extends CasError {
}
/** The real claude binary could not be resolved. */
export declare class RealClaudeError extends CasError {
}
/** An account name or path failed validation (traversal, separators, reserved). */
export declare class InvalidNameError extends CasError {
}