export interface SearchResult {
    searchMode: string;
    message: string;
    searchCriteria: {
        contentHash: string;
        walletAddress?: string;
    };
    totalResults: number;
    registrations: Array<{
        contentHash: string;
        pdaAddress: string;
        ipfsCid: string;
        registeredBy: string;
        userID: string | null;
        timestamp: string;
        validationStatus: string;
        consensus: string;
        explorerUrl: string;
        onChainData: any;
    }>;
}
export declare class ApiClient {
    private apiBaseUrl;
    constructor(apiBaseUrl?: string);
    searchFile(file: File, walletAddress?: string): Promise<SearchResult | null>;
    private makeRequest;
    private fileToBuffer;
    private generateSHA256Hash;
    private bufferToHex;
    healthCheck(): Promise<boolean>;
    testConnection(): Promise<{
        success: boolean;
        message: string;
    }>;
}
//# sourceMappingURL=api-client.d.ts.map