import { PublicKey } from "@solana/web3.js";
import type { AccountDatum } from "../types";
export * from "./falsy";
export * from "./fetchNullable";
export declare const accountsEqual: (a: AccountDatum, b: AccountDatum) => boolean;
export declare const serializeKeys: (keys: readonly (PublicKey | string | null | undefined)[]) => (string | null | undefined)[];
/**
 * Generates a list of unique {@link PublicKey}s.
 * @param keys
 * @returns
 */
export declare const uniqKeys: (keys: readonly (PublicKey | string)[]) => readonly PublicKey[];
/**
 * Makes a memo key for a list of strings.
 * @param list
 * @returns
 */
export declare const makeListMemoKey: <T extends {
    toString: () => string;
}>(list: readonly (NonNullable<T> | null | undefined)[] | null | undefined) => string | null | undefined;
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