import { HttpExceptionHandler, HandleHttpExceptionOutput } from './exception/exception-handlers';
import { PublicApiClientException } from './exception';
export declare enum HttpClientSecurity {
    TOKEN = "token",
    API_KEY = "apikey"
}
export declare type Headers = Record<string, string>;
export declare abstract class AbstractHttpClient {
    /**
     * Base path for HTTP calls
     */
    protected basePath: string;
    /**
     * Current path for HTTP calls
     */
    protected path: string;
    /**
     * Token to authenticate the user
     */
    protected token: string;
    /**
     * ArrowSphere API URL
     */
    protected url: string;
    /**
     * Defines header information for http requests
     */
    protected headers: Headers;
    /**
     * Http Exceptions Handlers
     */
    protected httpExceptionHandlers: HttpExceptionHandler[];
    /**
     * Security used to auth on server
     * Default to API_KEY to handle
     * the existing codebase
     */
    protected security: HttpClientSecurity;
    setToken(token: string): this;
    setUrl(url: string): this;
    setSecurity(security: HttpClientSecurity): this;
    /**
     * Warning: can remove useful headers, prefer use mergeHeaders()
     * @param headers - Set headers information
     */
    setHeaders(headers: Record<string, string>): this;
    /**
     * Will merge existing headers with those in parameters.
     * If There is key equality, the header passed as parameter has priority.
     * @param headers - Merge headers information
     */
    mergeHeaders(headers: Record<string, string>): this;
    removeHeader(headerKey: string): this;
    /**
     * Allow to register error/exception handler.
     * Handlers can be developed in another projects as long as they respect the interface HttpExceptionHandler.
     */
    registerHttpExceptionHandler(handler: HttpExceptionHandler): this;
    /**
     * Allow to set error handlers.
     */
    setHttpExceptionHandlers(handlers: HttpExceptionHandler[]): this;
    /**
     * Will find appropriate ErrorHandlers and apply them to the error in order of registering.
     */
    protected handleError(error: PublicApiClientException): Promise<HandleHttpExceptionOutput>;
    protected mapToPublicApiException(error: any): PublicApiClientException;
}