/**
 * What each host the Lit devframe runs on can do, in one table. The
 * definition is told which host it is on and works out the rest here, rather
 * than assuming Vite and having every other host patch the difference.
 *
 * - `vite`: the Vite plugin. Transforms stamp source locations, components
 *   hot-patch, the source overlay is the picker, and the plugin serves its
 *   own open-in-editor endpoint.
 * - `standalone`: `lit-devtools dev`, for pages outside Vite. The page script
 *   brings its own picker; there are no transforms and no HMR.
 * - `extension`: the browser extension's in-panel host. As `standalone`, with
 *   no server behind it.
 * - `snapshot`: a frozen session. No page; what the recording host could do
 *   is replayed from the snapshot.
 * - `none`: the bare definition (the package's default export, an MCP run)
 *   with no page attached.
 *
 * Pure: the definition passes in the facts it can see.
 */
import type { FeatureSettings } from '../../types/timeline.js';
import type { LitCapabilities } from './protocol.js';
export type HostKind = 'vite' | 'standalone' | 'extension' | 'snapshot' | 'none';
/** What the definition knows when it asks. */
export interface HostFacts {
    /** A dev session with a page to follow, not a build or a replay. */
    live: boolean;
    /** The resolved plugin settings, when the host has any. */
    features?: FeatureSettings | null;
    /** The host passed Node-only actions (open in editor, export a snapshot). */
    nodeActions: boolean;
    /**
     * The host can answer `component-docs`: from disk with Node actions, or
     * from the manifests the page links to. Defaults to `nodeActions`.
     */
    docs?: boolean;
    /** What the recording host could do, for a replayed session. */
    recorded?: Partial<LitCapabilities>;
}
export interface HostProfile {
    /** Whether the page has an element picker for the Components tab. */
    picker: boolean;
    capabilities: LitCapabilities;
}
export declare const hostProfile: (host: HostKind, facts: HostFacts) => HostProfile;
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