import type { Theme } from "@design-parity/core";
/** One breakpoint to capture the prototype at. */
export interface LiveViewport {
    /**
     * Breakpoint label recorded on the resulting {@link Image} as its `size`, e.g.
     * `"compact"` / `"medium"` / `"expanded"`. Keys the reference frame against the
     * candidate's matching per-size render.
     */
    size: string;
    /** CSS-pixel width to drive the prototype at. */
    width: number;
    /**
     * CSS-pixel height that seeds the browser window; the capture reads the PNG's
     * intrinsic size back, so a full-page render taller than this still records its
     * true height. Defaults to {@link DEFAULT_VIEWPORT_HEIGHT}.
     */
    height?: number;
}
/** A request to live-render one viewport of a prototype. */
export interface LiveRenderRequest {
    /**
     * Absolute path to the prototype to drive — a clickable Claude Design HTML
     * export (or a built prototype entry point). Rendered via a `file://` URL.
     */
    prototypePath: string;
    viewport: LiveViewport;
    /** The theme the prototype should render under, when it honours one. */
    theme?: Theme;
}
/** The product of a live render: an absolute PNG path and its intrinsic size. */
export interface LiveRenderResult {
    /** Absolute path to the written PNG. */
    pngPath: string;
    width: number;
    height: number;
}
/** Drives a prototype and captures one viewport to a PNG on disk. */
export type LiveRenderer = (req: LiveRenderRequest) => Promise<LiveRenderResult>;
/** Fallback window height (px) when a viewport doesn't pin one. */
export declare const DEFAULT_VIEWPORT_HEIGHT = 915;
/**
 * The viewports the adapter captures when a live ref doesn't configure its own.
 * A single compact frame — the lighter default; callers opt into a wider matrix
 * by passing `liveViewports`.
 */
export declare const DEFAULT_LIVE_VIEWPORTS: LiveViewport[];
/**
 * Default live renderer: drives the prototype in a headless Chrome/Chromium sized
 * to the viewport and captures it via `--screenshot`.
 *
 * Writes the PNG into a fresh temp directory and reads back its intrinsic
 * dimensions from the bytes (never a caller-supplied size). A caller that already
 * runs Playwright injects that instead of this.
 *
 * @throws a clear, actionable error if no Chrome/Chromium binary is found.
 */
export declare const browserLiveRenderer: LiveRenderer;
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