import 'reflect-metadata';
import { Class } from './class.type';
export type MetaValue<MetaType> = MetaType | undefined;
type ClassDecoratorDataFunc<Data> = (data: Data) => ClassDecorator;
export declare const classMetadataDecorator: <Data>(key: string) => ClassDecoratorDataFunc<Data>;
export declare function getClassMetadata<DTO, Data>(DTOClass: Class<DTO>, key: string, includeParents: boolean): MetaValue<Data>;
declare abstract class Reflector {
    readonly metaKey: string;
    constructor(metaKey: string);
    protected getMetadata<Data>(target: Function, includeParents: boolean): MetaValue<Data>;
    protected defineMetadata<Data>(data: Data, target: Function): void;
}
export declare class ValueReflector extends Reflector {
    set<DTO, Data>(DTOClass: Class<DTO>, data: Data): void;
    get<DTO, Data>(DTOClass: Class<DTO>, includeParents?: boolean): MetaValue<Data>;
    isDefined<DTO>(DTOClass: Class<DTO>): boolean;
    memoize<DTO, Data>(DTOClass: Class<DTO>, fn: () => Data): Data;
}
export declare class ArrayReflector extends Reflector {
    append<DTO, Data>(DTOClass: Class<DTO>, data: Data): void;
    get<DTO, Data>(DTOClass: Class<DTO>, includeParents?: boolean): MetaValue<Data[]>;
}
export declare class MapReflector<K = string> extends Reflector {
    set<DTO, Data>(DTOClass: Class<DTO>, key: K, value: Data): void;
    get<DTO, Data>(DTOClass: Class<DTO>, includeParents?: boolean): MetaValue<Map<K, Data>>;
    get<DTO, Data>(DTOClass: Class<DTO>, key: K, includeParents?: boolean): MetaValue<Data>;
    getValues<DTO, Data>(DTOClass: Class<DTO>, includeParents?: boolean): MetaValue<Data[]>;
    has<DTO>(DTOClass: Class<DTO>, key: K): boolean;
    memoize<DTO, Data>(DTOClass: Class<DTO>, key: K, fn: () => Data): Data;
}
export {};