import { ConstructType, MaybeFactory } from './utils';
export interface MapperOptions<T> {
    ctor: ConstructType<T>;
    columns: {
        property: keyof T;
        sourceKey: string;
        nullable?: boolean;
        default?: MaybeFactory<any>;
        transformers: ValueTransformer[];
    }[];
}
export interface ValueTransformer<TSource = any, TEntity = {}> {
    to?(source: TSource | null | undefined): TEntity | null | undefined;
    from?(dest: TEntity | null | undefined): TSource | null | undefined;
}