import type { RenderResult } from "@knyt/weaver";
import { KnytElement, type KnytElementOptions } from "../KnytElement.ts";
import type { KnytElementComposed } from "../KnytElementComposed.ts";
import type { ElementDefinition, PropertiesDefinition } from "../types.ts";
import { type DefineElementDefinitionOptions } from "./defineElementDefinition.ts";
type RendererFn<PD extends PropertiesDefinition<any>> = (
/**
 * @deprecated The host should be retrieved from the lifecycle function.
 *
 * ### As this API was only available in an alpha version, this WILL be removed without a major release.
 */
this: KnytElement.FromPropertiesDefinition<PD>, 
/**
 * @deprecated The host should be retrieved from the lifecycle function.
 *
 * ### As this API was only available in an alpha version, this WILL be removed without a major release.
 */
host: KnytElement.FromPropertiesDefinition<PD>) => RenderResult;
/**
 * @internal scope: package
 */
type LifecycleFn<TProperties extends PropertiesDefinition<any>> = (this: KnytElement.FromPropertiesDefinition<TProperties>, host: KnytElement.FromPropertiesDefinition<TProperties>) => RendererFn<TProperties> | void;
/**
 * @internal scope: package
 */
export type DefineElementOptions<TN extends string, PropInfoDict> = {
    tagName: TN;
    /**
     * Defines the static style sheet for the element.
     */
    styleSheet?: KnytElement.StaticStyleSheet | null;
    properties?: PropertiesDefinition<PropInfoDict>;
    /**
     * Defines the lifecycle of the element.
     *
     * @param _host TODO: Remove this parameter.
     * @returns Returns a function that renders the element.
     */
    lifecycle: LifecycleFn<PropertiesDefinition<PropInfoDict>>;
    options?: KnytElementOptions & Omit<DefineElementDefinitionOptions, "defaultRenderMode">;
};
/**
 * @internal scope: package
 */
export declare function defineKnytElement<TN extends string, PropInfoDict>(params: DefineElementOptions<TN, PropInfoDict>): ElementDefinition.FromPropertiesDefinition<TN, PropertiesDefinition<PropInfoDict>>;
/**
 * Sets the renderer function for a `KnytElementComposed` instance based
 * on the provided lifecycle function.
 *
 * @internal scope: workspace
 */
export declare function setComposedRenderer(element: KnytElementComposed, lifecycle: LifecycleFn<any>): void;
export {};
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