import { Connection, PublicKey, TransactionInstruction } from '@solana/web3.js';
export declare class SugarClient {
    private readonly connection;
    constructor(connection: Connection);
    getBuyInstructions(params: {
        mintAddress: PublicKey;
        wallet: PublicKey;
        solAmount: number;
        slippage: number;
        poolAddress?: PublicKey;
    }): Promise<TransactionInstruction[]>;
    getSellInstructions(params: {
        mintAddress: PublicKey;
        wallet: PublicKey;
        tokenAmount: number;
        slippage: number;
        poolAddress?: PublicKey;
    }): Promise<TransactionInstruction[]>;
    private createProgram;
    private toBpsFromFraction;
    private toTokenBaseUnitsBN;
    private assertSlippage;
    private assertNonNegativeFinite;
}