import { Source } from 'graphql';
import { EntityMetadata, FieldMetadata, Filter } from '.';
export interface SerializableGraphQLEntityClass<G = unknown, D = unknown> {
    serialize: (options: {
        value: G;
    }) => D;
    deserialize: (options: {
        value: unknown;
        parent: Source;
        fieldMetadata: FieldMetadata<G, D>;
        entityMetadata: EntityMetadata<G, D>;
    }) => G;
}
export declare const isSerializableGraphQLEntityClass: <G>(entity: unknown) => entity is SerializableGraphQLEntityClass<G>;
export interface TransformableGraphQLEntityClass<G = unknown, D = unknown> {
    fromBackendEntity?(this: new (dataEntity: D) => G, dataEntity: D): G;
    toBackendEntity?(this: new (dataEntity: D) => G, graphqlEntity: Partial<G>): D;
    toBackendEntityFilter?(this: new (dataEntity: D) => G, graphqlFilter: Filter<G>): Filter<D>;
}
export declare function isTransformableGraphQLEntityClass<G = unknown, D = unknown>(value: unknown): value is TransformableGraphQLEntityClass<G, D>;