/**
 * Shared HTTP client for EasyEDA API calls
 * Used by both LCSC and Community API clients
 */
export interface FetchOptions {
    method?: 'GET' | 'POST';
    body?: string;
    contentType?: string;
    binary?: boolean;
    timeoutMs?: number;
}
/**
 * Fetch URL with curl fallback for reliability
 * Falls back to curl when Node fetch fails (proxy issues, etc.)
 */
export declare function fetchWithCurlFallback(url: string, options?: FetchOptions): Promise<string | Buffer>;
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