/**
 * Represents a generic validation error.
 * Extends the native `Error` class.
 */
export declare class ValidationError extends Error {
    /**
     * Asserts a condition and throws a `ValidationError` if the condition is false.
     * @param condition - The condition to assert.
     * @param message - The error message to throw if the assertion fails.
     * @example
     * ValidationError.assert(someCondition, "Condition failed");
     */
    static assert(condition: unknown, message: string): asserts condition;
    /**
     * Creates an instance of `ValidationError`.
     * @param message - The error message.
     */
    constructor(message: string);
}