import { ChainId, Token } from '@uniswap/sdk-core';
import { ProviderConfig } from '../provider';
import { IV2SubgraphProvider, V2SubgraphPool } from '../v2/subgraph-provider';
/**
 * PancakeSwap V2 subgraph URLs per chain.
 *
 * To add a new chain, simply add its subgraph endpoint here.
 * You can also override these at runtime via the `subgraphUrlOverride`
 * constructor parameter.
 */
export declare const PV2_SUBGRAPH_URL_BY_CHAIN: {
    [chainId: number]: string;
};
/**
 * GraphQL-based subgraph provider for PancakeSwap V2.
 *
 * PancakeSwap V2 subgraphs use the same schema as Uniswap V2 (`pairs` entity)
 * but the reserve tracking field may be `trackedReserveBNB` on BSC
 * instead of `trackedReserveETH`. This provider handles both.
 */
export declare class PV2SubgraphProvider implements IV2SubgraphProvider {
    private chainId;
    private retries;
    private timeout;
    private rollback;
    private pageSize;
    private trackedReserveThreshold;
    private subgraphUrlOverride?;
    private client;
    constructor(chainId: ChainId, retries?: number, timeout?: number, rollback?: boolean, pageSize?: number, trackedReserveThreshold?: number, subgraphUrlOverride?: string | undefined);
    getPools(_tokenIn?: Token, _tokenOut?: Token, providerConfig?: ProviderConfig): Promise<V2SubgraphPool[]>;
}