import { Failure } from '../base';
import { GenericValidator, GenericValidatorConstructorParams } from './genericValidator';
/**
 * Parameters used to construct a {@link Validation.Classes.NumberValidator | NumberValidator}.
 * @public
 */
export type NumberValidatorConstructorParams<T extends number = number, TC = unknown> = GenericValidatorConstructorParams<T, TC>;
/**
 * An in-place {@link Validation.Validator | Validator} for `number` values.
 * @public
 */
export declare class NumberValidator<T extends number = number, TC = unknown> extends GenericValidator<T, TC> {
    /**
     * Constructs a new {@link Validation.Classes.NumberValidator | NumberValidator}.
     * @param params - Optional {@link Validation.Classes.NumberValidatorConstructorParams | init params} for the
     * new {@link Validation.Classes.NumberValidator | NumberValidator}.
     */
    constructor(params?: NumberValidatorConstructorParams<T, TC>);
    /**
     * Static method which validates that a supplied `unknown` value is a `number`.
     * @param from - The `unknown` value to be tested.
     * @returns Returns `true` if `from` is a `number`, or {@link Failure} with an error
     * message if not.
     */
    static validateNumber<T extends number>(from: unknown): boolean | Failure<T>;
}
//# sourceMappingURL=number.d.ts.map