/** Base error class for all flint-orm errors. */
export declare class FlintError extends Error {
    constructor(message: string);
}
/** Thrown when a value violates a column constraint or a validation rule fails. */
export declare class FlintValidationError extends FlintError {
    constructor(message: string);
}
/** Thrown when a SQL query fails to execute. */
export declare class FlintQueryError extends FlintError {
    readonly originalError?: Error;
    constructor(message: string, originalError?: Error);
}