import { Context } from '@pionjs/pion/lib/create-context';
import { AttributePart, noChange } from 'lit-html';
import { AsyncDirective } from 'lit-html/async-directive.js';
import { ChildPart, DirectiveParameters, DirectiveResult } from 'lit-html/directive.js';
export declare class ConsumeDirective<T, V> extends AsyncDirective {
    value: T;
    context: Context<T>;
    pluck: (value: T) => V;
    unsubscribe: VoidFunction | null;
    raf: number;
    update(part: AttributePart | ChildPart, [context, pluck]: DirectiveParameters<this>): typeof noChange | V;
    subscribe(emitter: Node): void;
    render(context: Context<T>, pluck: (value: T) => V): V;
    updater(value: T): void;
    disconnected(): void;
}
export type Result<T, V> = DirectiveResult<typeof ConsumeDirective<T, V>>;
interface Consume {
    <T, V>(context: Context<T>, pluck: (value: T) => V): Result<T, V>;
}
export declare const consume: Consume;
export {};