import { IObservable, IReader } from "@vscode/observables";
import { Context } from "react";
export type Readable<T> = (reader: IReader) => T;
export interface IReadableObj<T> {
    /**
     * The reader of the component.
    */
    read(reader: IReader): T;
}
export interface IPropertyTransformerFactory<TIn, TOut> {
    /** If set, this context's value is passed to create() */
    readonly _requiredContext?: Context<unknown>;
    /** @param contextValue - value of _requiredContext if declared, otherwise undefined */
    create(readable: Readable<TIn>, contextValue: unknown): IReadableObj<TOut>;
}
/**
 * Takes a value of type `T` and makes it available as `IObservable<T>`.
 * When it changes, the component will not re-render.
 */
export declare function prop<T>(): IPropertyTransformerFactory<T, IObservable<T>>;
export declare namespace prop {
    var _a: typeof propConst;
    export var obs: typeof propObs;
    export { _a as const };
}
/**
 * Takes a value of type `T` and makes it available as `T`.
 * When it changes, the component will re-render.
 */
declare function propConst<T>(): IPropertyTransformerFactory<T, T>;
/**
 * Takes a value of type `T` or `IObservable<T>` and makes it available as `IObservable<T>`.
 * When it changes, the component will not re-render.
 */
declare function propObs<T>(): IPropertyTransformerFactory<T | IObservable<T>, IObservable<T>>;
export {};
//# sourceMappingURL=IPropertyTransformer.d.ts.map