import type { AppManifest } from "@edenapp/types";
import type { Bounds, PlatformView } from "../platform/ports";
export type ViewMode = "floating" | "tiled";
export type ViewType = "app" | "overlay";
export declare const Z_LAYERS: {
    readonly APPS_MIN: 1;
    readonly APPS_MAX: 999;
    readonly OVERLAY_MIN: 1000;
    readonly OVERLAY_MAX: 9999;
};
export interface ViewInfo {
    id: number;
    view: PlatformView;
    appId: string;
    manifest: AppManifest;
    bounds: Bounds;
    /**
     * Whether the user currently wants this view shown.
     * Capacity-based tiling may still keep it off-screen temporarily.
     */
    requestedVisible: boolean;
    /**
     * Whether the view participates in the active presentation.
     * This may be false either because the user hid it or because tiling
     * temporarily removed it to satisfy layout capacity. A transient tile
     * expansion may cover a participating view with zero bounds without
     * changing this flag, which preserves the underlying layout for restore.
     */
    visible: boolean;
    mode: ViewMode;
    viewType: ViewType;
    tileIndex?: number;
    zIndex?: number;
    launchArgs?: string[];
    lastFocusedAt?: number;
}
export interface ViewCreationOptions {
    preloadScript: string;
    transparent?: boolean;
    backgroundThrottling?: boolean;
    additionalArguments?: string[];
}
/**
 * Compare overlays from bottom to top.
 * Manifest priority defines the stack group; z-index controls recency within it.
 */
export declare function compareOverlayViews(a: ViewInfo, b: ViewInfo): number;
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