/**
 * Options for NumberTransform decorator.
 */
type NumberTransformOptions = {
    default?: number;
    min?: number;
    max?: number;
    round?: boolean;
};
/**
 * Property decorator to coerce input values into numbers with optional clamping and rounding.
 *
 * @param {NumberTransformOptions} opts - Transformation configuration.
 * @returns {PropertyDecorator} - Transforms and constrains numeric input.
 */
export declare function NumberTransform(opts?: NumberTransformOptions): PropertyDecorator;
export {};