import { PairInfo, TokenInfo } from './types';
export declare type TokenInfoChangeKey = Exclude<keyof TokenInfo, 'address' | 'chainId' | 'priceOracleAddress'>;
export declare type TokenInfoChanges = Array<TokenInfoChangeKey>;
export declare type PairInfoChangeKey = Exclude<keyof PairInfo, 'base' | 'quote' | 'priceOracleAddress'>;
export declare type PairInfoChanges = Array<PairInfoChangeKey>;
/**
 * Differences between a base list and an updated list.
 */
export interface PairListDiff {
    /**
     * Tokens from updated with chainId/address/oracle not present in base list
     */
    readonly addedTokens: TokenInfo[];
    /**
     * Tokens from base with chainId/address/oracle not present in the updated list
     */
    readonly removedTokens: TokenInfo[];
    /**
     * Pairs from updated with chainId/address/oracle not present in base list
     */
    readonly addedPairs: PairInfo[];
    /**
     * Pairs from base with chainId/address/oracle not present in the updated list
     */
    readonly removedPairs: PairInfo[];
    /**
     * The token info that changed
     */
    readonly changedTokens: {
        [chainId: number]: {
            [address: string]: TokenInfoChanges;
        };
    };
    /**
     * The pair info that changed
     */
    readonly changedPairs: {
        [chainId: number]: {
            [address: string]: PairInfoChanges;
        };
    };
}
/**
 * Computes the diff of a token list where the first argument is the base and the second argument is the updated list.
 * @param base base list
 * @param update updated list
 */
export declare function diffPairLists(basePairs: PairInfo[], updatePairs: PairInfo[], baseTokens: TokenInfo[], updateTokens: TokenInfo[]): PairListDiff;