import { ExternalChain } from "../../types/bridge/external-chain.js";
import { type BridgeToken } from "../../types/bridge/bridge-token.js";
import { type StarkZapLogger } from "../../logger/index.js";
export type BridgeTokenApiEnv = "mainnet" | "testnet";
export interface BridgeTokenQuery {
    env?: BridgeTokenApiEnv;
    chain?: ExternalChain;
}
export interface BridgeTokenRepositoryOptions {
    apiUrl?: string;
    cacheTtlMs?: number;
    fetchFn?: typeof fetch;
    now?: () => number;
    logger?: StarkZapLogger;
}
export declare const STARKGATE_TOKENS_API_URL = "https://starkgate.starknet.io/tokens/api/tokens";
export declare const BRIDGE_TOKEN_CACHE_TTL_MS: number;
export declare class BridgeTokenRepository {
    private readonly apiUrl;
    private readonly cacheTtlMs;
    private readonly fetchFn;
    private readonly now;
    private readonly logger;
    private readonly cache;
    private readonly inflight;
    constructor(options?: BridgeTokenRepositoryOptions);
    clearCache(): void;
    getTokens(query?: BridgeTokenQuery): Promise<BridgeToken[]>;
    private fetchAndCache;
}
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