"""Exception classes for HAProxy MCP Server."""


class HaproxyError(Exception):
    """HAProxy operation error."""
    pass


class NoAvailablePoolError(HaproxyError):
    """All pool backends are in use."""
    pass


class ValidationError(HaproxyError):
    """Input validation error."""
    pass


class ConfigurationError(HaproxyError):
    """Configuration file or state error."""
    pass


class CertificateError(HaproxyError):
    """SSL/TLS certificate operation error."""
    pass