import type { EntityData, EntityMetadata, EntityProperty, IHydrator } from '../typings.js';
import type { EntityFactory } from '../entity/EntityFactory.js';
import type { Platform } from '../platforms/Platform.js';
import type { MetadataStorage } from '../metadata/MetadataStorage.js';
import type { Configuration } from '../utils/Configuration.js';
/** Abstract base class for hydrating entity instances from raw database data. */
export declare abstract class Hydrator implements IHydrator {
    protected readonly metadata: MetadataStorage;
    protected readonly platform: Platform;
    protected readonly config: Configuration;
    protected running: boolean;
    constructor(metadata: MetadataStorage, platform: Platform, config: Configuration);
    /**
     * @inheritDoc
     */
    hydrate<T extends object>(entity: T, meta: EntityMetadata<T>, data: EntityData<T>, factory: EntityFactory, type: 'full' | 'reference', newEntity?: boolean, convertCustomTypes?: boolean, schema?: string, parentSchema?: string): void;
    /**
     * @inheritDoc
     */
    hydrateReference<T extends object>(entity: T, meta: EntityMetadata<T>, data: EntityData<T>, factory: EntityFactory, convertCustomTypes?: boolean, schema?: string, parentSchema?: string): void;
    /** Returns whether the hydrator is currently in the middle of hydrating an entity. */
    isRunning(): boolean;
    protected getProperties<T extends object>(meta: EntityMetadata<T>, type: 'full' | 'reference'): EntityProperty<T>[];
    protected hydrateProperty<T extends object>(entity: T, prop: EntityProperty<T>, data: EntityData<T>, factory: EntityFactory, newEntity?: boolean, convertCustomTypes?: boolean): void;
}