import { GearApi } from '@gear-js/api';
import { TypeRegistry } from '@polkadot/types';
import { TransactionBuilder } from 'sails-js';
export declare class Erc20Token {
    api: GearApi;
    programId?: `0x${string}` | undefined;
    readonly registry: TypeRegistry;
    readonly vft: Vft;
    constructor(api: GearApi, programId?: `0x${string}` | undefined);
    newCtorFromCode(code: Uint8Array | any, name: string, symbol: string, decimals: number): TransactionBuilder<null>;
    newCtorFromCodeId(codeId: `0x${string}`, name: string, symbol: string, decimals: number): TransactionBuilder<null>;
}
export declare class Vft {
    private _program;
    constructor(_program: Erc20Token);
    burn(from: string, value: number | string): TransactionBuilder<boolean>;
    grantAdminRole(to: string): TransactionBuilder<null>;
    grantBurnerRole(to: string): TransactionBuilder<null>;
    grantMinterRole(to: string): TransactionBuilder<null>;
    mint(to: string, value: number | string): TransactionBuilder<boolean>;
    revokeAdminRole(from: string): TransactionBuilder<null>;
    revokeBurnerRole(from: string): TransactionBuilder<null>;
    revokeMinterRole(from: string): TransactionBuilder<null>;
    setTransferFail(flag: boolean): TransactionBuilder<null>;
    transfer(to: string, value: number | string): TransactionBuilder<boolean>;
    transferFrom(from: string, to: string, value: number | string): TransactionBuilder<boolean>;
    approve(spender: string, value: number | string): TransactionBuilder<boolean>;
    admins(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<Array<string>>;
    burners(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<Array<string>>;
    minters(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<Array<string>>;
    allowance(owner: string, spender: string, originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<bigint>;
    balanceOf(account: string, originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<bigint>;
    decimals(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<number>;
    name(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<string>;
    symbol(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<string>;
    totalSupply(originAddress: string, value?: number | string | bigint, atBlock?: `0x${string}`): Promise<bigint>;
    subscribeToMintedEvent(callback: (data: {
        to: string;
        value: number | string;
    }) => void | Promise<void>): Promise<() => void>;
    subscribeToBurnedEvent(callback: (data: {
        from: string;
        value: number | string;
    }) => void | Promise<void>): Promise<() => void>;
    subscribeToApprovalEvent(callback: (data: {
        owner: string;
        spender: string;
        value: number | string;
    }) => void | Promise<void>): Promise<() => void>;
    subscribeToTransferEvent(callback: (data: {
        from: string;
        to: string;
        value: number | string;
    }) => void | Promise<void>): Promise<() => void>;
}