import { BaseCoin as CoinConfig } from '@bitgo-beta/statics';
import { DecodedSignedTx, DecodedSigningPayload, UnsignedTransaction } from '@substrate/txwrapper-core';
import { BaseAddress, TransactionType } from '@bitgo-beta/sdk-core';
import { StakeArgsPayee } from './iface';
import { Transaction } from './transaction';
import { TransactionBuilder } from './transactionBuilder';
export declare class StakingBuilder extends TransactionBuilder {
    protected _amount: string;
    protected _controller: string;
    protected _payee: StakeArgsPayee;
    constructor(_coinConfig: Readonly<CoinConfig>);
    /**
     * Take the origin account as a stash and lock up value of its balance.
     * Controller will be the account that controls it.
     *
     * @returns {UnsignedTransaction} an unsigned Dot transaction
     *
     * @see https://polkadot.js.org/docs/substrate/extrinsics/#staking
     */
    protected buildTransaction(): UnsignedTransaction;
    protected get transactionType(): TransactionType;
    /**
     * The amount to stake.
     *
     * @param {string} amount
     * @returns {StakeBuilder} This staking builder.
     *
     * @see https://wiki.polkadot.network/docs/learn-nominator#required-minimum-stake
     */
    amount(amount: string): this;
    /**
     * The controller of the staked amount.
     *
     * @param {string} controller
     * @returns {StakeBuilder} This staking builder.
     *
     * @see https://wiki.polkadot.network/docs/learn-staking#accounts
     */
    owner(controller: BaseAddress): this;
    /**
     * The rewards destination of the staked amount.
     * Can be set to another accounts address.
     *
     * @param {string} payee
     * @returns {StakeBuilder} This staking builder.
     *
     * @see https://wiki.polkadot.network/docs/learn-staking#4-rewards-mechanism
     */
    payee(payee: StakeArgsPayee): this;
    /** @inheritdoc */
    validateDecodedTransaction(decodedTxn: DecodedSigningPayload | DecodedSignedTx): void;
    /** @inheritdoc */
    protected fromImplementation(rawTransaction: string): Transaction;
    /** @inheritdoc */
    validateTransaction(_: Transaction): void;
    private validateFields;
}
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