import { TransactionType } from '@bitgo/sdk-core';
import { BaseCoin as CoinConfig } from '@bitgo/statics';
import { XrpTransactionType } from './iface';
import { Transaction } from './transaction';
import { TransactionBuilder } from './transactionBuilder';
export declare class TrustSetBuilder extends TransactionBuilder {
    private _amount;
    constructor(_coinConfig: Readonly<CoinConfig>);
    protected get transactionType(): TransactionType;
    protected get xrpTransactionType(): XrpTransactionType.TrustSet;
    initBuilder(tx: Transaction): void;
    /**
     *  Set the amount to send
     * @param {string} amount - the amount sent
     * @returns {TransactionBuilder} This transaction builder
     */
    amount(amount: string): TransactionBuilder;
    /** @inheritdoc */
    protected buildImplementation(): Promise<Transaction>;
}
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