/**
 * GSB API Service
 */
import { HttpCallRequest } from '../types/requests';
export declare class GsbApiService {
    private pendingBulkCalls;
    private bulkCallCounter;
    constructor();
    /**
     * Get the singleton instance of the service
     */
    static getInstance(): GsbApiService;
    private getBaseUrl;
    /**
     * Extract tenant code from a JWT token
     * @param token The JWT token
     * @returns The tenant code or undefined
     */
    private extractTenantCode;
    /**
     * Generate a unique request ID for bulk operations
     */
    private generateReqId;
    /**
     * Get the bulk batch key for grouping requests
     */
    private getBulkBatchKey;
    /**
     * Ensure request has a unique ID for bulk operations
     */
    private ensureRequestId;
    /**
     * Execute a bulk batch
     */
    private executeBulkBatch;
    /**
     * Add a call to the bulk batch
     */
    private addToBulkBatch;
    /**
     * Make an HTTP call
     */
    httpCall(dto: any, callback?: (response: any) => void, errorCallback?: (error: any) => void): Promise<any>;
    /**
     * Execute HTTP call asynchronously
     */
    httpCallAsync(dto: any): Promise<any>;
    /**
     * Convert request parameters to fetch request data
     */
    convertToRequestData(requestParameters: any): {
        url: string;
        init: RequestInit;
    };
    /**
     * Call the API with the appropriate token and tenant code
     */
    callApi(req: HttpCallRequest & {
        useBulk?: boolean;
    }, endPoint: string, token?: string, tenantCode?: string): Promise<any>;
}