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