/**
 * Global dependency-injection container for plugins (1.14+).
 *
 * Mirrors the component-level `provide()`/`inject()` pair but operates at
 * application scope so plugins can publish typed singletons consumed by other
 * plugins, stores, or application code.
 *
 * @module bquery/plugin
 */
/**
 * Typed key used to store and retrieve values in the global DI container.
 *
 * The key carries a phantom `T` so that `inject(key)` resolves to the same
 * type that was provided.
 */
export interface InjectionKey<T> {
    readonly description?: string;
    /** Phantom for the value type. */
    readonly __type?: T;
}
/**
 * Create a typed injection key.
 *
 * @example
 * ```ts
 * import { createInjectionKey, provide, inject } from '@bquery/bquery/plugin';
 * const LoggerKey = createInjectionKey<Logger>('logger');
 * provide(LoggerKey, console);
 * const logger = inject(LoggerKey); // typed as Logger | undefined
 * ```
 */
export declare const createInjectionKey: <T>(description?: string) => InjectionKey<T>;
/**
 * Register a value in the global DI container.
 *
 * @param key - The injection key, string, or symbol.
 * @param value - The value to expose to consumers.
 */
export declare const provide: <T>(key: InjectionKey<T> | string | symbol, value: T) => void;
/** @internal */
export declare const registerProvide: (key: InjectionKey<unknown> | string | symbol, value: unknown, owner?: string) => void;
/**
 * Retrieve a value previously registered via {@link provide}.
 *
 * @returns The value or `undefined` when no value was provided.
 */
export declare const inject: <T>(key: InjectionKey<T> | string | symbol) => T | undefined;
/**
 * Returns `true` when a value has been provided for the given key.
 */
export declare const hasProvided: (key: InjectionKey<unknown> | string | symbol) => boolean;
/** Remove every DI binding owned by the given plugin. @internal */
export declare const removeProvidedByOwner: (owner: string) => void;
/** Reset the entire DI container. Test-only. @internal */
export declare const resetDi: () => void;
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