import { ChainId, Currency } from '@uniswap/sdk-core'; import { ICache } from './cache'; import { ProviderConfig } from './provider'; import { ITokenFeeFetcher, TokenFeeResult } from './token-fee-fetcher'; import { TokenValidationResult } from './token-validator-provider'; export declare const DEFAULT_TOKEN_PROPERTIES_RESULT: TokenPropertiesResult; export declare const POSITIVE_CACHE_ENTRY_TTL = 1200; export declare const NEGATIVE_CACHE_ENTRY_TTL = 1200; type Address = string; export type TokenPropertiesResult = { tokenFeeResult?: TokenFeeResult; tokenValidationResult?: TokenValidationResult; }; export type TokenPropertiesMap = Record
; export interface ITokenPropertiesProvider { getTokensProperties(currencies: Currency[], providerConfig?: ProviderConfig): Promise