import { XVCheckCallback, XVTransformCallback, XVMeta, XVOptional, XVNullable, XVDefaultValue, XVDefault } from './types.js';

declare abstract class XVType<T> {
    readonly _type: T;
    protected checks: XVCheckCallback<T>[];
    protected transforms: XVTransformCallback<T>[];
    readonly meta: XVMeta<T>;
    protected abstract check(value: unknown): T;
    protected set(method: string, check: XVCheckCallback<T>, args?: any): this;
    clone(): this;
    optional(): XVOptional<this>;
    nullable(): XVNullable<this>;
    default(value: XVDefaultValue<T>): XVDefault<this, T>;
    transform(cb: XVTransformCallback<T>): this;
    parse(value: unknown): T | undefined | null;
    getDefault(): T | undefined;
}

export { XVType as default };