import type { AcrossInfo, TokenExtensions } from '../../../types';
import type { Currency } from '../../tokens/currency';
import { BaseCurrency } from '../baseCurrency';
/**
 * Represents an ERC20 token with a unique address and some metadata native to a given chain.
 */
export declare class NativeToken extends BaseCurrency {
    readonly isNative: false;
    readonly isToken: true;
    readonly isGlobal: boolean;
    /**
     * The contract address on the chain on which this token lives.
     */
    readonly address: string;
    /**
     * Token extensions containing bridging info, pricing, and other metadata
     * Uses the full TokenExtensions type with acrossInfo, bridgeInfo, etc.
     */
    readonly extensions?: TokenExtensions;
    /**
     *
     * @param chainId {@link BaseCurrency#chainId}
     * @param address The contract address on the chain on which this token lives.
     * @param decimals {@link BaseCurrency#decimals}
     * @param symbol {@link BaseCurrency#symbol}
     * @param name {@link BaseCurrency#name}
     * @param bypassChecksum If true it only checks for length === 42, startsWith 0x and contains only hex characters.
     * @param extensions Token extensions containing bridging info, pricing, and other metadata
     */
    constructor(chainId: number, address: string, decimals: number, symbol?: string, name?: string, bypassChecksum?: boolean, extensions?: TokenExtensions);
    /**
     * True if token is supported by Across bridge
     */
    get isAcross(): boolean;
    /**
     * Get Across bridge info
     */
    get acrossInfo(): AcrossInfo | undefined;
    /**
     * Get Across info for a specific chain
     * @param chainId the target chain ID
     */
    getAcrossChainInfo(chainId: number): AcrossInfo[number] | undefined;
    /**
     * Get all chain IDs that have Across bridge support for this token
     */
    getAcrossChainIds(): number[];
    /**
     * Returns true if the two tokens are equivalent, i.e. have the same chainId and address.
     * @param other other token to compare
     */
    equals(other: Currency): boolean;
    /**
     * Returns true if the address of this token sorts before the address of the other token
     * @param other other token to compare
     * @throws if the tokens have the same address
     * @throws if the tokens are on different chains
     */
    sortsBefore(other: NativeToken): boolean;
    /**
     * Return this token, which does not need to be wrapped
     */
    get wrapped(): this;
}