import type { RenderOptions } from 'lit';
import { Directive, type DirectiveClass, type DirectiveResult, type PartInfo } from 'lit/directive.js';
export type DirectiveArgs = PartInfo & {
    element: HTMLElement;
    name: string;
    options: RenderOptions;
};
/**
 * The base class for all directives.
 *
 * @public
 * @abstract
 */
export declare abstract class DirectiveBase extends Directive {
    private readonly _internals;
    /**
     * Constructs a new instance of the `DirectiveBase` class.
     *
     * @protected
     */
    protected constructor(args: DirectiveArgs);
    /**
     * Returns the `internals` property.
     *
     * @protected
     * @readonly
     */
    protected get internals(): Omit<DirectiveArgs, 'part'>;
}
export { PartType } from 'lit/directive.js';
/**
 * Composes a directive.
 */
export declare function compose<TDirective extends DirectiveClass>(c: TDirective): (...values: Parameters<InstanceType<TDirective>['render']>) => DirectiveResult<TDirective>;
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