/// <reference types="node" />
/// <reference types="node" />
import { AccountDiff } from '@metaplex-foundation/amman-client';
import { AccountInfo, Connection, Keypair } from '@solana/web3.js';
import * as Diff from 'diff';
import EventEmitter from 'events';
import { AmmanAccount } from '../types';
import { AccountProvider } from './providers';
export type { Change } from 'diff';
export declare type AccountState = {
    account: AmmanAccount | undefined;
    slot: number;
    data: Buffer;
    accountDiff?: AccountDiff;
    rendered?: string;
    renderedDiff?: Diff.Change[];
};
declare class AccountStateTracker {
    readonly states: (AccountState & {
        timestamp: number;
    })[];
    add(state: AccountState): void;
    get relayStates(): {
        slot: number;
        accountDiff?: AccountDiff | undefined;
        rendered?: string | undefined;
        renderedDiff?: Diff.Change[] | undefined;
        timestamp: number;
        account: Record<string, any>;
    }[];
    renderDiff(lastState: AccountState | null, state: AccountState): Diff.Change[] | undefined;
    accountStateForSlot(slot: number): (AccountState & {
        timestamp: number;
    }) | undefined;
    accountDataForSlot(slot: number): Buffer | undefined;
}
export declare class AccountStates extends EventEmitter {
    readonly connection: Connection;
    readonly accountProvider: AccountProvider;
    readonly loadedAccountInfos: Map<string, AccountInfo<Buffer>>;
    readonly loadedKeypairs: Map<string, Keypair>;
    readonly states: Map<string, AccountStateTracker>;
    readonly keypairs: Map<string, {
        keypair: Keypair;
        id: string;
    }>;
    private _paused;
    get paused(): boolean;
    set paused(val: boolean);
    private constructor();
    update(address: string, slot: number, accountInfo?: AccountInfo<Buffer>): Promise<void>;
    add(address: string, state: AccountState): void;
    get(address: string): AccountStateTracker | undefined;
    accountStateForSlot(address: string, slot: number): (AccountState & {
        timestamp: number;
    }) | undefined;
    accountDataForSlot(address: string, slot: number): Buffer | undefined;
    allAccountAddresses(): string[];
    storeKeypair(id: string, keypair: Keypair): void;
    labelKeypairs(labels: Record<string, string>): void;
    get allKeypairs(): Map<string, {
        keypair: Keypair;
        id: string;
    }>;
    getKeypairById(keypairId: string): Keypair | undefined;
    getKeypairByAddress(address: string): Keypair | undefined;
    private _onLog;
    private static _instance;
    static get instance(): AccountStates;
    static createInstance(connection: Connection, accountProvider: AccountProvider, loadedAccountInfos: Map<string, AccountInfo<Buffer>>, loadedKeypairs: Map<string, Keypair>): AccountStates;
}
export declare function printableAccount(account: Record<string, any>): Record<string, any>;