import { Newable, Injectable, AttributedInjectable, MetadataDictionary, Lazy } from "./types";
export { Newable, Injectable, AttributedInjectable, MetadataDictionary, Lazy };
/**
 * Resolves an export for a given symbol.
 *
 * @typeparam T The function or class type which is required.
 * @param symbol The symbol for which an export is required.
 *
 * @returns The function, or object instance of type _T_, that is satisfied by _symbol_.
 * @throws An error if no exports were found for _symbol_, or if more than one export can satisfy the
 * required symbol.
 */
export declare function inject<T>(symbol: Symbol): T;
/**
 * Resolves an export for a given symbol.
 *
 * @typeparam T The function or class type which is required.
 * @param symbol The symbol for which an export is required.
 * @param metadata Metadata properties that can be used to reduce the exports that will satisfy _symbol_.
 *
 * @returns The function, or object instance of type _T_, that is satisfied by _symbol_.
 * @throws An error if no exports were found for _symbol_, or if more than one export can satisfy the
 * required symbol.
 */
export declare function inject<T, TMetadata extends MetadataDictionary>(symbol: Symbol, metadata: Partial<TMetadata>): T;
/**
 * Lazingly resolves an export for a given symbol.
 *
 * @typeparam T The function or class type which is required.
 * @param symbol The symbol for which an export is required.
 *
 * @returns The function, or object instance of type _T_, along with it's metadata that is satisfied by _symbol_.
 * @throws An error if no exports were found for _symbol_, or if more than one export can satisfy the
 * required symbol.
 */
export declare function lazyInject<T>(symbol: Symbol): Lazy<T, MetadataDictionary>;
/**
 * Lazngly resolves an export for a given symbol.
 *
 * @typeparam T The function or class type which is required.
 * @param symbol The symbol for which an export is required.
 * @param metadata Metadata properties that can be used to reduce the exports that will satisfy _symbol_.
 *
 * @returns The function, or object instance of type _T_, along with it's metadata that is satisfied by _symbol_.
 * @throws An error if no exports were found for _symbol_, or if more than one export can satisfy the
 * required symbol.
 */
export declare function lazyInject<T, TMetadata extends MetadataDictionary>(symbol: Symbol, metadata?: TMetadata): Lazy<T, TMetadata>;
/**
 * Lazingly resolves a collection of exports for a given symbol.
 *
 * @typeparam T The function or class type which is required.
 * @param symbol The symbol for which an export is required.
 *
 * @returns The function, or object instance of type _T_, along with it's metadata that is satisfied by _symbol_.
 * @throws An error if no exports were found for _symbol_, or if more than one export can satisfy the
 * required symbol.
 */
export declare function lazyInjectMany<T>(symbol: Symbol): Lazy<T, MetadataDictionary>[];
/**
 * Lazingly resolves a collection of exports for a given symbol.
 *
 * @typeparam T The function or class type which is required.
 * @param symbol The symbol for which an export is required.
 * @param metadata Metadata properties that can be used to reduce the exports that will satisfy _symbol_.
 *
 * @returns The function, or object instance of type _T_, along with it's metadata that is satisfied by _symbol_.
 * @throws An error if no exports were found for _symbol_, or if more than one export can satisfy the
 * required symbol.
 */
export declare function lazyInjectMany<T, TMetadata extends MetadataDictionary>(symbol: Symbol, metadata?: TMetadata): Lazy<T, TMetadata>[];
/**
 * Creates an export factory function that returns a new instance of a class type each time it
 * is invoked.
 *
 * @typeparam T The class type.
 * @param target The constructor for _T_ for which an instance should be created.
 *
 * @returns A function.
 */
export declare function instanceOf<T>(target: Newable<T>): Function;
/**
 * Creates an export factory function that returns a specified instance of a class type each time it
 * is invoked.
 *
 * @typeparam T The class type.
 * @param instance The instance of _T_ which should be returned.
 *
 * @returns A function.
 */
export declare function givenInstanceOf<T>(instance: T): Function;
/**
 * Creates an export factory function that returns a singleton instance of a class type each time it
 * is invoked.
 *
 * @typeparam T The class type.
 * @param target The constructor for _T_ for which an singleton instance should be created.
 *
 * @returns A function.
 */
export declare function singletonOf<T>(target: Newable<T>): Function;
/**
 * Registers an exported value for injection.
 *
 * @typeparam T The function or class type which is to be exported.
 * @param symbol The symbol for which the export should be registered.
 * @param target The exported value that will be used to satisfy _symbol_.
 */
export declare function injectFor<T, TMetadata extends MetadataDictionary>(symbol: Symbol, target: Injectable<T> | AttributedInjectable<T, TMetadata>): void;