import { Primitive } from '../types/Primitive';
import { Constructor } from '../types/Constructor';
import { PageList } from '../types/PageList';
import { List } from '../types/List';
import { Get } from '../types/Get';
import { DontInfer } from '../types/Types';
import { AnyKey } from '../types/AnyKey';
import { EnumConstructor } from '../types/Enum';
type Func<T = unknown> = (a: any, key?: string) => T;
type FuncOn<S> = (a: S, key?: string) => unknown;
type Viewer = {
    key: string;
    f: Func;
};
type ViewType<V = any> = Primitive | EnumConstructor | Constructor | Func | View<V> | undefined;
type ViewValue<S = never> = [S] extends [never] ? ViewType : Exclude<ViewType, string | Func> | AnyKey<S> | FuncOn<S>;
type ViewRecord<V = any, S = never> = [S] extends [never] ? Partial<Record<keyof V | typeof spread, ViewValue<S>>> : Partial<Record<keyof V | typeof spread, ViewValue<S>>> & Partial<Record<Exclude<Extract<keyof S, string>, Extract<keyof V, string>>, typeof ignore>>;
declare const ignore: unique symbol;
declare const keep: unique symbol;
declare const json: unique symbol;
declare const spread = "view.spread";
export declare const toViewer: (key: string, value: ViewType) => Viewer;
export declare class View<V = any, S = never> {
    private views;
    readonly startsFrom: 'scratch' | 'source';
    readonly viewers: Viewer[];
    private spreads;
    constructor(views?: ViewRecord<V, S>, startsFrom?: 'scratch' | 'source', viewers?: Viewer[], spreads?: Get<V>[]);
    get fromSource(): View<V, S>;
    spread(f: Get<V>): View<V, S>;
    from<T = unknown>(source: PageList<T>): PageList<V>;
    from<T = unknown>(source: List<T>): List<V>;
    from<T = unknown>(source: T[]): V[];
    from<T = unknown>(source: T): V;
    same: (one?: unknown, another?: unknown) => boolean;
    private reduce;
}
export declare const isSimpleView: (a: unknown) => a is View;
export declare const view: <V = any, S = never>(views: ViewRecord<DontInfer<V>, DontInfer<S>>) => View<V, S>;
export declare const views: {
    readonly ignore: typeof ignore;
    readonly keep: typeof keep;
    readonly json: typeof json;
    readonly spread: "view.spread";
    readonly skip: typeof ignore;
    readonly equals: (key: string, value: unknown) => (a: unknown) => boolean;
    readonly value: (value: unknown) => () => unknown;
    readonly coalesce: (...keys: string[]) => (a: unknown) => unknown;
    readonly or: {
        readonly key: (altKey: string) => (a: unknown, key?: string) => unknown;
        readonly value: (altValue: unknown) => (a: unknown, key?: string) => unknown;
        readonly func: (altFunc: Func) => (a: unknown, key?: string) => unknown;
    };
    readonly to: <T = unknown>(ctorOrFunc: Constructor<T> | ((v: any) => T)) => ((a: any, key?: string) => T | undefined) & {
        or: {
            key: (altKey: string) => (a: unknown, key?: string) => unknown;
            value: (altValue: T) => (a: unknown, key?: string) => T;
            func: (altFunc: Func) => (a: unknown, key?: string) => unknown;
        };
    };
};
export {};