import type { HydrationMetadata } from '../hydration.js';
declare const RenderInstructionSymbol: unique symbol;
export type RenderDirectiveInstruction = {
    type: 'directive';
    hydration: HydrationMetadata;
};
export type RenderHeadInstruction = {
    type: 'head';
};
/**
 * Render a renderer-specific hydration script before the first component of that
 * framework
 */
export type RendererHydrationScriptInstruction = {
    type: 'renderer-hydration-script';
    rendererName: string;
    render: () => string;
};
export type MaybeRenderHeadInstruction = {
    type: 'maybe-head';
};
export type ServerIslandRuntimeInstruction = {
    type: 'server-island-runtime';
};
export type RenderScriptInstruction = {
    type: 'script';
    id: string;
    content: string;
};
export type TemplateEnterInstruction = {
    type: 'template-enter';
};
export type TemplateExitInstruction = {
    type: 'template-exit';
};
export type RenderInstruction = {
    [RenderInstructionSymbol]?: true;
} & (RenderDirectiveInstruction | RenderHeadInstruction | MaybeRenderHeadInstruction | RendererHydrationScriptInstruction | ServerIslandRuntimeInstruction | RenderScriptInstruction | TemplateEnterInstruction | TemplateExitInstruction);
export declare function createRenderInstruction<T extends RenderInstruction>(instruction: T): T;
export declare function isRenderInstruction(chunk: any): chunk is RenderInstruction;
export declare function isScriptInstruction(chunk: any): chunk is RenderScriptInstruction;
export {};