import type { HeadlessEntryPointFactory, HeadlessEntryPointFactory2 } from './HeadlessEntryPointManagerTypes';
export interface HeadlessEntryPointRegistry {
    /**
      * This function is used to register headless entry point by end user.
      *
      * @param entryPointKey : string
      * @param provider : HeadlessEntryPointFactory
      */
    registerHeadlessEntryPoint(entryPointKey: string, provider: HeadlessEntryPointFactory): void;
    /**
      * This function is used to register headless entry point by end user,
      * whose callback will be invoked with IComponentInstance as a parameter.
      *
      * @param entryPointKey : string
      * @param provider : HeadlessEntryPointFactory2
      */
    registerHeadlessEntryPoint2(entryPointKey: string, provider: HeadlessEntryPointFactory2): void;
}
/**
  * export singleton as HeadlessEntryPointRegistry, public API for JS developer.
  *
  * @example
  * ```
  * // This is an example of how to use HeadlessEntryPointRegistry.
  * import { HeadlessEntryPointRegistry } from "@amazon-devices/headless-task-manager"
  *
  * // define entry point function
  * function entryPointFunction(): Promise<void> {
  *  // TODO: Add task logic
  *  // if returns Promise.reject(), the task will be failed.
  *  // if returns Promise.resolve(), the task will be succeeded.
  *  return Promise.resolve();
  * }
  *
  * // register task
  * HeadlessEntryPointRegistry.registerHeadlessEntryPoint("entryPointKey", () => entryPointFunction);
  * ```
  */
export declare const HeadlessEntryPointRegistry: HeadlessEntryPointRegistry;