/**
 * The dsh-1-x SHELL ANCHOR TABLE.
 *
 * Every entry is a selector some plugin in this family currently hardcodes.
 * Centralising them here is the whole point of `dshLoader.ui`: when dsh moves
 * its DOM, this table changes and the plugins do not.
 *
 * Each anchor records WHO needed it and WHAT it was before, so a future
 * maintainer can trace an anchor back to the behaviour it supports.
 *
 * @module @dsh-plugin/dsh-loader/ui/anchors
 */
import type { AnchorSpec } from './slots.js';
/** Anchor names dshloader ships for the dsh 1.x shell. */
export declare const ANCHOR_NAMES: readonly ['conversation.status', 'conversation.column', 'shell.overlay', 'desktop.detailsSurface', 'layout.frame', 'settings.nav'];
/** One of the built-in anchor names. */
export type BuiltinAnchor = (typeof ANCHOR_NAMES)[number];
/**
 * The built-in anchors for dsh 1.x (verified against dsh 0.1.0-rc.6).
 *
 * Provenance of each selector:
 *
 * - `conversation.status` — dsh-thought-buddy, `src/client/index.ts:632-637`:
 *   `[data-conversation-scroll] [role="status"]` with a whole-document
 *   `[role="status"]` fallback. Callers add their own `accept` (thought-buddy
 *   matches the status text) via {@link AnchorSpec.accept} on a redefinition,
 *   or filter in `MountSpec.when`.
 * - `conversation.column` — dsh-better-sidebar, `src/client/Sidebar.tsx:396`:
 *   `#root [data-slot="conversation"]`.
 * - `shell.overlay` — dsh-code-review, `src/client.ts:1930` / `:2528`:
 *   `[data-shell-overlay]`.
 * - `desktop.detailsSurface` — dsh-code-review, `src/client.ts:1957`:
 *   `.dshDesktopDetailsSurface`. A CSS-module-adjacent CLASS name and therefore
 *   the most fragile anchor in the table; kept because the behaviour needs it.
 * - `layout.frame` — dsh-code-review, `src/client.ts:1176` / `:1209` / `:1244`:
 *   the frame whose `style.gridTemplateColumns` carries the sidebar width and
 *   whose `data-sidebar-collapsed` attribute carries the collapsed state. This
 *   anchor is READ (via `ui.hosts('layout.frame')`), never mounted into.
 * - `settings.nav` — dsh-better-sidebar, `src/client/settings-nav-icon.ts`:
 *   the settings navigation list that gets an icon synced into it.
 */
export declare const BUILTIN_ANCHORS: Record<BuiltinAnchor, AnchorSpec>;
/** Read the sidebar layout state from the `layout.frame` anchor. */
export interface LayoutFrameState {
    /** Whether the shell reports the sidebar as collapsed. */
    collapsed: boolean;
    /** First `px` value of the frame's grid template, when present. */
    firstColumnPx: number | undefined;
}
/**
 * Project one `layout.frame` host into {@link LayoutFrameState}.
 *
 * Encapsulates the `style.gridTemplateColumns` parsing dsh-code-review does at
 * `src/client.ts:1176`, so the regex lives with the anchor it belongs to.
 */
export declare function readLayoutFrame(host: Element): LayoutFrameState;