import MessageBus from '../../../utility/message-bus/messageBus';
import { BehaviorSubject } from 'rxjs';
import type { TectonPlatformControls } from '../../../types/setup';
import type { TectonRuntimeConfig } from '../../../types/config';
export declare const NGAM_BASE: string;
/**
 * Sets up asset path resolver message handlers for retrieving various asset URLs.
 * Registers handlers for `getCustomerAssetPath`, `getCustomLanguageURL`, `getBaseAssetPath`, and `getNgamBaseUrl`.
 *
 * @param messageBus - The platform message bus for feature communication
 * @param capabilities - Set to populate with available capability names
 * @param platformControlBus - Platform control bus with handler implementations
 * @param tectonConfig$ - Observable containing the Tecton runtime configuration
 * @param teardowns - Array to collect cleanup functions for unsubscribing
 *
 * @internal
 */
export declare function setupPathResolvers(messageBus: MessageBus, capabilities: Set<string>, platformControlBus: TectonPlatformControls, tectonConfig$: BehaviorSubject<TectonRuntimeConfig>, teardowns: (() => void)[]): void;
/**
 * Prepends the current origin to a URL if it's a relative path.
 * Absolute URLs (starting with http) are returned unchanged.
 *
 * @param url - The URL to process
 * @returns Absolute URL with origin prepended if relative
 */
export declare function ifRelativePrependOrigin(url: string): string;
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