/**
 * True when the MCP App host owns the frame's height (a side panel, fullscreen
 * view, or a container with a fixed `containerDimensions.height`), so the app
 * should fill 100% of the frame. False for inline cards, whose height follows
 * the content the app reports; filling there would feed the frame's own height
 * back into it and grow without bound.
 *
 * The widget shell embeds a copy of this function in its HTML because that
 * document cannot import modules. `embed-app.spec.ts` runs both over the same
 * table so they cannot drift.
 */
export declare function mcpAppHostFillsContainer(context: unknown): boolean;
/** Set on the app document's `<html>` while the host fills the frame. */
export declare const MCP_APP_HOST_FILL_ATTRIBUTE = "data-agent-native-host-fill";
/**
 * Most a directory widget shell asks its host for when it fills a pane the
 * host will not measure for it. Bounds the request whatever the viewer's
 * screen reports.
 */
export declare const MCP_APP_PANE_FILL_MAX_HEIGHT = 2000;