import OnChainPxFeed from "./onChainPxFeed";
/**
 * OnChainPxFeedRedStone: get a price from a chainlink-style oracle
 */
export default class OnChainPxFeedRedStone extends OnChainPxFeed {
    private delayMs;
    private ctrctAddr;
    private decimals;
    private fetchInProgress;
    static abi: any;
    constructor(ctrctAddr: string, decimals: number, rpcs: string[]);
    protected fetchPrice(delay: boolean): Promise<void>;
}