import { ChainId, Currency, CurrencyAmount } from "@onyxcoindev/sdk-core-test";
import { ApprovalTypes } from "../util";
import { IMulticallProvider } from "./multicall-provider";
type TokenApprovalTypes = {
    approvalTokenIn: ApprovalTypes;
    approvalTokenOut: ApprovalTypes;
};
/**
 * Provider for accessing the SwapRouter02 Contract .
 *
 * @export
 * @interface IRouterProvider
 */
export interface ISwapRouterProvider {
    /**
     * Get the approval method needed for each token. Throws an error if either query fails.
     *
     * @param tokenInAmount The Currency Amount of tokenIn needed by the user
     * @param tokenOutAmount The Currency Amount of tokenOut needed by the user
     * @returns the Approval Types for each token.
     */
    getApprovalType(tokenInAmount: CurrencyAmount<Currency>, tokenOutAmount: CurrencyAmount<Currency>): Promise<TokenApprovalTypes>;
}
export declare class SwapRouterProvider implements ISwapRouterProvider {
    protected chainId: ChainId;
    protected multicall2Provider: IMulticallProvider;
    constructor(chainId: ChainId, multicall2Provider: IMulticallProvider);
    getApprovalType(tokenInAmount: CurrencyAmount<Currency>, tokenOutAmount: CurrencyAmount<Currency>): Promise<TokenApprovalTypes>;
}
export {};