import { Component, ComponentReturnType } from './component-class';

/**
 * Extensibility point for custom managers.
 *
 * External code can override these methods to intercept component, helper,
 * and modifier resolution. The managers are only invoked when
 * WITH_EMBER_INTEGRATION is true (a compile-time constant).
 *
 * Default implementations return false for canHandle and undefined for handle,
 * meaning no custom handling is performed.
 *
 * @example
 * // Override to handle Ember-style components
 * $_MANAGERS.component.canHandle = (comp) => comp && MANAGER_SYMBOL in comp;
 * $_MANAGERS.component.handle = (comp, args, fw, ctx) => {
 *   const manager = comp[MANAGER_SYMBOL];
 *   return manager.create(comp, args);
 * };
 */
export declare const $_MANAGERS: {
    component: {
        /**
         * Check if this manager can handle the given component.
         * @returns true if handle() should be called, false to use default behavior
         */
        canHandle(_component: unknown): boolean;
        /**
         * Handle the component and return an instance or transformed component.
         * Only called if canHandle() returned true.
         */
        handle(_component: unknown, _args: unknown, _fw: unknown, _ctx: unknown): ComponentReturnType | Component | undefined;
    };
    modifier: {
        /**
         * Check if this manager can handle the given modifier.
         * @returns true if handle() should be called, false to use default behavior
         */
        canHandle(_modifier: unknown): boolean;
        /**
         * Handle the modifier and return a modifier function or destructor.
         * Only called if canHandle() returned true.
         */
        handle(_modifier: unknown, _element: Element, _props: unknown[], _hashArgs: () => Record<string, unknown>): unknown;
    };
    helper: {
        /**
         * Check if this manager can handle the given helper.
         * @returns true if handle() should be called, false to use default behavior
         */
        canHandle(_helper: unknown): boolean;
        /**
         * Handle the helper and return the computed value.
         * Only called if canHandle() returned true.
         */
        handle(_helper: unknown, _params: unknown[], _hash: unknown): unknown;
    };
};
/**
 * Result of attempting to handle via a custom manager.
 * If `handled` is true, `result` contains the manager's output.
 * If `handled` is false, the caller should use default behavior.
 */
export interface ManagerResult<T> {
    handled: boolean;
    result?: T;
}
type RootLike = {
    document: Document;
};
/**
 * Attempts to handle a component via the custom component manager.
 *
 * This function encapsulates the integration logic that runs when
 * WITH_EMBER_INTEGRATION is enabled. It can be tested independently
 * of the compile-time flag.
 *
 * @param comp - The component class/function to potentially handle
 * @param args - Arguments passed to the component
 * @param fw - Forward arguments (props, attrs, events)
 * @param ctx - Parent context (Component or Root)
 * @returns ManagerResult with handled component, or { handled: false }
 *
 * @example
 * const result = tryComponentManager(MyEmberComponent, { name: 'test' }, [], ctx);
 * if (result.handled) {
 *   // Use result.result as the component instance
 * } else {
 *   // Fall back to default component instantiation
 * }
 */
export declare function tryComponentManager(comp: unknown, args: Record<string, unknown>, fw: unknown, ctx: Component | RootLike): ManagerResult<ComponentReturnType | Component>;
/**
 * Attempts to handle a helper via the custom helper manager.
 *
 * This function encapsulates the integration logic that runs when
 * WITH_EMBER_INTEGRATION is enabled. It can be tested independently
 * of the compile-time flag.
 *
 * @param helper - The helper to potentially handle
 * @param params - Positional parameters passed to the helper
 * @param hash - Named parameters (hash arguments)
 * @returns ManagerResult with helper result, or { handled: false }
 *
 * @example
 * const result = tryHelperManager(myEmberHelper, [1, 2, 3], { suffix: '!' });
 * if (result.handled) {
 *   return result.result;
 * } else {
 *   // Fall back to default helper execution
 * }
 */
export declare function tryHelperManager(helper: unknown, params: unknown[], hash: Record<string, unknown>): ManagerResult<unknown>;
/**
 * Attempts to handle a modifier via the custom modifier manager.
 *
 * This function encapsulates the integration logic that runs when
 * WITH_EMBER_INTEGRATION is enabled. It can be tested independently
 * of the compile-time flag.
 *
 * @param modifier - The modifier to potentially handle
 * @param element - The DOM element the modifier is applied to
 * @param props - Positional parameters passed to the modifier
 * @param hashArgs - Function returning named parameters
 * @returns ManagerResult with modifier result, or { handled: false }
 *
 * @example
 * const result = tryModifierManager(myEmberModifier, element, [], () => ({}));
 * if (result.handled) {
 *   return result.result; // Could be a destructor function
 * } else {
 *   // Fall back to default modifier handling
 * }
 */
export declare function tryModifierManager(modifier: unknown, element: Element, props: unknown[], hashArgs: () => Record<string, unknown>): ManagerResult<unknown>;
export {};