import { Direction, Selectable, SelectFunction, SelectOptions } from './selection';
interface PropNameFn {
    (inObj: any, direction: Direction): string;
}
export interface ExposeOptions extends SelectOptions {
    propName?: string | PropNameFn;
}
export declare class Schema {
    readonly registry: any;
    readonly type: Function;
    inherits: boolean;
    private _defaultVisibility;
    private _fields;
    private _postProcessors;
    constructor(registry: any, type: Function);
    getField(fieldName: string): Field;
    readonly defaultVisibility: any;
    /**
     * Get all fields defined in this schema and its ancestors as an iterator.
     */
    readonly fields: IterableIterator<Field>;
    excludeAll(): this;
    exposeAll(): this;
    inherit(): this;
    postProcess(postProcessFn: ObjectTransformationFunction, options?: SelectOptions): this;
    getPostProcessors(obj: any, direction: Direction): ObjectTransformer[];
    /**
     * Get a list of all schemas in the inheritance chain of this schema (including itself).
     */
    private inheritanceChain;
    /**
     * Get the nearest ancestor schema.
     */
    private getAncestor;
}
export declare class Field extends Selectable {
    readonly name: string;
    nestedType: any;
    private _propName?;
    private _transformers;
    constructor(name: string);
    select(selectFn: SelectFunction): this;
    exclude(options?: SelectOptions): this;
    expose(options?: ExposeOptions): this;
    nested(type: any): this;
    transform(transformFn: ValueTransformationFunction, options?: SelectOptions): this;
    getValueTransformers(obj: any, direction: Direction): ValueTransformer[];
    readonly propName: string | PropNameFn;
}
declare class Transformer<TransformFn extends Function> extends Selectable {
    readonly transformFn: TransformFn;
    constructor(transformFn: TransformFn, options?: SelectOptions);
    transform(inValue: any, targetObj: any, direction: Direction): any;
}
export interface ValueTransformationFunction {
    (value: any, obj: any, direction: Direction): any;
}
export declare class ValueTransformer extends Transformer<ValueTransformationFunction> {
}
export interface ObjectTransformationFunction {
    (inObj: any, outObj: any, direction: Direction): any;
}
export declare class ObjectTransformer extends Transformer<ObjectTransformationFunction> {
}
export {};