import { u64, Option, Text, bool } from '@polkadot/types';
import { SubstrateId } from '../../types';
export declare class OptionId<T extends SubstrateId> extends Option<u64> {
    constructor(value?: T);
}
export declare class OptionBool<T extends boolean> extends Option<bool> {
    constructor(value?: T);
}
declare type OptionTextType = string | Text | null;
export declare class OptionText extends Option<Text> {
    constructor(value?: OptionTextType);
}
export declare class OptionOptionText extends Option<Option<Text>> {
    constructor(value?: OptionTextType);
}
export declare function OptionEntity<T>(value?: T): T | null;
export {};