import { Env } from "@keplr-wallet/router";
import { AppCurrency, CW20Currency, Secret20Currency } from "@keplr-wallet/types";
import { ChainsService } from "../chains";
import { KVStore } from "@keplr-wallet/common";
import { InteractionService } from "../interaction";
import { TokenInfo } from "./types";
export declare class TokenCW20Service {
    protected chainsService: ChainsService;
    protected interactionService: InteractionService;
    protected tokenContractListURL: string;
    protected readonly legacyKVStore: KVStore;
    protected readonly kvStore: KVStore;
    protected tokenMap: Map<string, TokenInfo[]>;
    constructor(kvStore: KVStore, chainsService: ChainsService, interactionService: InteractionService, tokenContractListURL: string);
    init(): Promise<void>;
    protected readonly onChainRemoved: (chainId: string) => void;
    protected refreshTokenInfo(chainIdentifier: string): Promise<void>;
    getAllTokenInfos: () => Record<string, TokenInfo[] | undefined>;
    protected validateAssociatedAccountAddress(value: string): void;
    protected validateCosmosFeatures(features: string[] | undefined): void;
    suggestToken(env: Env, chainId: string, contractAddress: string, associatedAccountAddress: string, viewingKey?: string): Promise<void>;
    getToken: (chainId: string, contractAddress: string, associatedAccountAddress: string) => TokenInfo | undefined;
    setToken(chainId: string, currency: AppCurrency, associatedAccountAddress: string): Promise<void>;
    removeToken(chainId: string, contractAddress: string, associatedAccountAddress: string): void;
    getSecret20ViewingKey(chainId: string, contractAddress: string, associatedAccountAddress: string): string;
    static validateCurrency(bech32Prefix: string | undefined, currency: AppCurrency): Promise<AppCurrency>;
    static validateCW20Currency(bech32Prefix: string | undefined, currency: CW20Currency): Promise<CW20Currency>;
    static validateSecret20Currency(bech32Prefix: string | undefined, currency: Secret20Currency): Promise<Secret20Currency>;
}