import { HttpBackend } from '@angular/common/http';
import { Observable } from 'rxjs';
import { SubtrakConfig } from '../tokens/config.token';
import * as i0 from "@angular/core";
/**
 * Main Subtrak SDK service
 */
export declare class SubtrakService {
    config: SubtrakConfig;
    private httpBackend;
    private customerIdSubject;
    customerId$: Observable<string | null>;
    private http;
    constructor(config: SubtrakConfig, httpBackend: HttpBackend);
    /**
     * Get the configured API base URL
     */
    get apiUrl(): string;
    /**
     * Set the customer ID for customer-scoped operations
     */
    setCustomerId(customerId: string): void;
    /**
     * Get the current customer ID
     */
    getCustomerId(): string | null;
    /**
     * Clear the customer ID
     */
    clearCustomerId(): void;
    /**
     * Make a GET request to the Subtrak API
     */
    get<T>(endpoint: string, params?: any, options?: {
        responseType?: 'json' | 'blob' | 'text' | 'arraybuffer';
    }): Observable<T>;
    /**
     * Make a POST request to the Subtrak API
     */
    post<T>(endpoint: string, body: any): Observable<T>;
    /**
     * Make a PUT request to the Subtrak API
     */
    put<T>(endpoint: string, body: any): Observable<T>;
    /**
     * Make a PATCH request to the Subtrak API
     */
    patch<T>(endpoint: string, body: any): Observable<T>;
    /**
     * Make a DELETE request to the Subtrak API
     */
    delete<T>(endpoint: string): Observable<T>;
    /**
     * Enable debug logging
     */
    enableDebug(): void;
    /**
     * Disable debug logging
     */
    disableDebug(): void;
    /**
     * Log debug message if debug mode is enabled
     */
    debug(message: string, ...args: any[]): void;
    /**
     * Transform object keys from camelCase to snake_case
     */
    private transformKeysToSnakeCase;
    /**
     * Transform object keys from snake_case to camelCase
     */
    private transformKeysToCamelCase;
    static ɵfac: i0.ɵɵFactoryDeclaration<SubtrakService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SubtrakService>;
}