import type { DestinationFetchOptions } from './destination-accessor-types';
import type { Destination } from './destination-service-types';
import type { CachingOptions } from '../cache';
import type { Service } from '../environment-accessor';
import type { JwtPayload } from '../jsonwebtoken-type';
import type { IasOptions } from './ias-types';
/**
 * Tries to build a destination from a service binding with the given name.
 * Throws an error if no services are bound at all, no service with the given name can be found, or the service type is not supported.
 * The last error can be circumvent by using the second parameter to provide a custom function that transforms a service binding to a destination.
 * @param options - Options to customize the behavior of this function.
 * @returns A destination.
 */
export declare function getDestinationFromServiceBinding(options: Pick<DestinationFetchOptions, 'jwt' | 'iss' | 'useCache'> & DestinationFromServiceBindingOptions & {
    iasOptions?: IasOptions;
}): Promise<Destination>;
/**
 * Options to customize the behavior of {@link getDestinationFromServiceBinding}.
 */
export type DestinationFromServiceBindingOptions = {
    /**
     * Custom transformation function to control how a {@link Destination} is built from the given {@link Service}.
     */
    serviceBindingTransformFn?: ServiceBindingTransformFunction;
} & ({
    /**
     * A service binding to use directly instead of looking it up by name. Mandatory if no destination name is provided.
     */
    service: Service;
    destinationName?: never;
} | {
    /**
     * The name of the destination to retrieve from service bindings.
     */
    destinationName: string;
    service?: never;
});
/**
 * Represents options passed to the service binding transform function.
 */
export type ServiceBindingTransformOptions = {
    /**
     * The JWT payload used to fetch destinations.
     */
    jwt?: JwtPayload;
    /**
     * The options for IAS token retrieval.
     */
    iasOptions?: IasOptions;
} & CachingOptions;
/**
 * Type of the function to transform the service binding.
 */
export type ServiceBindingTransformFunction = (service: Service, options?: ServiceBindingTransformOptions) => Promise<Destination>;
/**
 * @internal
 */
export declare function searchServiceBindingForDestination(options: DestinationFetchOptions & DestinationFromServiceBindingOptions): Promise<Destination | null>;