import type { ArgConfigExtended, ValueCasterInterface } from "../types";
/**
 * Creates a value caster based on the provided argument configuration.
 *
 * @param argConfig - The extended configuration for the argument to cast.
 *
 * @returns A value caster that can be used to cast the argument value.
 *
 * @category Utils
 * @category Cast
 */
export declare function createValueCaster(argConfig: ArgConfigExtended): BaseValueCaster<unknown>;
/**
 * Base value caster.
 *
 * @category Cast
 */
declare abstract class BaseValueCaster<T> implements ValueCasterInterface<T> {
    /**
     * The extended configuration for the argument to cast.
     */
    protected argConfig: ArgConfigExtended;
    /**
     * Constructs a base value caster with the provided argument configuration.
     *
     * @param config - The extended configuration for the argument to cast.
     */
    constructor(config: ArgConfigExtended);
    /**
     * Casts the argument value to the expected type.
     *
     * @param value - The value to cast.
     * @param isset - Whether the value is set.
     *
     * @returns The casted value.
     */
    cast(value: string[], isset: boolean): T | undefined;
}
export {};