import type { Xor } from '@sap-cloud-sdk/util';
import type { DestinationFetchOptions } from './destination-accessor-types';
import type { DestinationFromServiceBindingOptions } from './destination-from-vcap';
import type { AuthenticationType, Destination, DestinationCertificate, HttpDestination } from './destination-service-types';
/**
 * Takes an existing or a parsed destination and returns an SDK compatible destination object.
 * @param destination - An object that adheres to the {@link Destination} interface.
 * @returns An SDK compatible destination object.
 */
export declare function sanitizeDestination(destination: Record<string, any>): Destination;
/**
 * Takes a JSON object returned by any of the calls to the destination service and returns an SDK compatible destination object.
 * This function only accepts destination configurations of type 'HTTP' and will error if no 'URL' is given.
 * @param destinationJson - A JSON object returned by the destination service.
 * @returns An SDK compatible destination object.
 * @internal
 */
export declare function parseDestination(destinationJson: DestinationJson | DestinationConfiguration): Destination;
/**
 * @internal
 * Get additional headers and/or query parameters from a destination.
 * Destinations can specify additional headers and/or query parameters, that should be added to every request against the given destination.
 * They are specified in the following format:
 * `URL.headers.<header-name>` or `URL.queries.<query-parameter-name>`
 * @param destinationConfig - Original destination config that could include additional headers or query parameters.
 * @returns An object with either the headers or query parameters and their values, depending on the `originalKeyPrefix`.
 */
export declare function getAdditionalHeadersAndQueryParameters(destinationConfig: DestinationConfiguration): Pick<Destination, 'headers' | 'queryParameters'>;
/**
 * @internal
 * Get additional headers from a destination.
 * Destinations can specify additional headers, that should be added to every request against the given destination.
 * They are specified in the following format:
 * `URL.headers.<header-name>`
 * @param destinationConfig - Original destination config that could include additional headers.
 * @returns An object with either the headers or query parameters and their values, depending on the `originalKeyPrefix`.
 */
export declare function getAdditionalHeaders(destinationConfig: DestinationConfiguration): Pick<Destination, 'headers'>;
/**
 * @internal
 * Get additional query parameters from a destination.
 * Destinations can specify additional query parameters, that should be added to every request against the given destination.
 * They are specified in the following format:
 * `URL.queries.<query-parameter-name>`
 * @param destinationConfig - Original destination config that could include additional headers or query parameters.
 * @returns An object with either the headers or query parameters and their values, depending on the `originalKeyPrefix`.
 */
export declare function getAdditionalQueryParameters(destinationConfig: DestinationConfiguration): Pick<Destination, 'queryParameters'>;
/**
 * @internal
 */
export declare function getDestinationConfig(destinationJson: DestinationJson | DestinationConfiguration): DestinationConfiguration;
/**
 * Transform destination to string containing destination information.
 * @param destination - Either destination object or destinationName and Jwt.
 * @returns String containing information on the destination.
 */
export declare function toDestinationNameUrl(destination: DestinationOrFetchOptions): string;
/**
 * Transforms the upper case properties of the destination service response to lower case.
 * @internal
 * @param certificate - Response from the certificate endpoint of the destination service.
 * @returns The parsed Destination Certificate with lower case properties.
 */
export declare function parseCertificate(certificate: Record<string, any>): DestinationCertificate;
/**
 * Destination configuration alongside auth tokens and certificates.
 */
export interface DestinationJson {
    [key: string]: any;
    /**
     * Configuration of a destination as it is available through the destination service.
     */
    destinationConfiguration: DestinationConfiguration;
    /**
     * Authentication tokens as they are available through the destination service.
     */
    authTokens?: Record<string, string>[];
    /**
     * Certificates for authentication as they are available through the destination service.
     */
    certificates?: Record<string, string>[];
}
/**
 * Configuration of a destination as it is available through the destination service.
 */
export interface DestinationConfiguration {
    [key: string]: any;
    /**
     * `URL` of the destination.
     */
    URL?: string;
    /**
     * `Name` of the destination.
     */
    Name?: string;
    /**
     * `ProxyType` of the destination, e.g., `Internet` or `OnPremise`.
     */
    ProxyType?: string;
    /**
     * `sap-client` defined in the destination.
     */
    'sap-client'?: string;
    /**
     * Username in case of basic authentication destinations.
     */
    User?: string;
    /**
     * Password in case of basic authentication destinations.
     */
    Password?: string;
    /**
     * Represents the authentication type of a destination.
     */
    Authentication?: AuthenticationType;
    /**
     * Value of the TrustAll property of the destination.
     */
    TrustAll?: string;
    /**
     * URL of the token service endpoint to retrieve access token.
     * This may contain placeholders in multi-tenant scenarios. @see {@link https://help.sap.com/docs/CP_CONNECTIVITY/cca91383641e40ffbe03bdc78f00f681/c69ea6aacd714ad2ae8ceb5fc3ceea56.html?locale=en-US|OAuth SAML Bearer Assertion Authentication}.
     * In most cases the XSUAA will be used here.
     */
    tokenServiceURL?: string;
    /**
     * Decides if the token service subdomain is fixed or adjusted in multi-tenant scenarios. @see {@link https://help.sap.com/docs/CP_CONNECTIVITY/cca91383641e40ffbe03bdc78f00f681/c69ea6aacd714ad2ae8ceb5fc3ceea56.html?locale=en-US|OAuth SAML Bearer Assertion Authentication}.
     */
    tokenServiceURLType?: 'Common' | 'Dedicated;';
    /**
     * Fixed username to retrieve an auth token from the endpoint.
     */
    tokenServiceUsername?: string;
    /**
     * Password to retrieve an auth token from the endpoint.
     */
    tokenServicePass?: string;
    /**
     * ClientId to retrieve an auth token from the token service endpoint.
     */
    clientId?: string;
    /**
     * ClientSecret to retrieve an auth token from the token service endpoint.
     */
    clientSecret?: string;
    /**
     * Deprecated option of the destination service to fix a user in OnPremise principal propagation.
     */
    SystemUser?: string;
    /**
     * Type of the destination.
     */
    Type?: 'HTTP' | 'LDAP' | 'MAIL' | 'RFC';
}
/**
 * @internal
 */
export declare function isDestinationConfiguration(destination: any): destination is DestinationConfiguration;
/**
 * @internal
 */
export declare function isDestinationJson(destination: any): destination is DestinationJson;
/**
 * @internal
 */
export declare function noDestinationErrorMessage(destination: DestinationOrFetchOptions): string;
/**
 * Type that is either a {@link HttpDestination} or (XOR) {@link DestinationFetchOptions & DestinationFromServiceBindingOptions}.
 */
export type DestinationOrFetchOptions = Xor<Destination, DestinationFetchOptions & DestinationFromServiceBindingOptions>;
/**
 * Type that is either a {@link HttpDestination} or (XOR) {@link DestinationFetchOptions & DestinationFromServiceBindingOptions}.
 */
export type HttpDestinationOrFetchOptions = Xor<HttpDestination, DestinationFetchOptions & DestinationFromServiceBindingOptions>;