import { Signal } from '@angular/core';
import { UrlTree, Params, QueryParamsHandling, IsActiveMatchOptions } from '@angular/router';
import { Observable } from 'rxjs';

type NavigationOrientation = 'vertical' | 'horizontal';
type NavigationVerticalType = 'sidebar' | 'dockbar';
type NavigationHorizontalType = 'navbar' | 'flyout';
type NavigationType = NavigationVerticalType | NavigationHorizontalType;
type NavigationCollapseTree = 'stairs' | 'straight';
type NavigationAppearance = 'flat' | 'border-rail';
type NavigationVerticalPosition = 'left' | 'right';
type NavigationHorizontalPosition = 'top' | 'bottom';
type NavigationPosition = NavigationVerticalPosition | NavigationHorizontalPosition;
type NavigationFlyoutIconPosition = 'start' | 'end';
/** Bentuk visual tombol trigger flyout: `button` (pil), `link` (gaya tautan), `plain` (ghost). */
type NavigationFlyoutTriggerVariant = 'button' | 'link' | 'plain';
type NavigationDockbarMode = 'drawer' | 'sticky';
/** Icon Material Symbols bawaan ketika route aktif tidak menyediakan icon lain. */
declare const NAVIGATION_DOCKBAR_FALLBACK_ICON = "route";
type NavigationBadgeCount = number | null | undefined;
type NavigationBadgeValueSource = NavigationBadgeCount | Signal<NavigationBadgeCount> | Observable<NavigationBadgeCount> | (() => NavigationBadgeCount);
type NavigationBadgeAriaLabel = string | ((count: number) => string);
/** Sumber badge generik yang dapat direferensikan navigation item atau route metadata. */
interface NavigationBadgeSource {
    readonly value: NavigationBadgeValueSource;
    readonly ariaLabel: NavigationBadgeAriaLabel;
    readonly classes?: string;
}
type NavigationBadgeContext = Readonly<Record<string, NavigationBadgeSource>>;
/** Metadata resmi yang dapat diletakkan pada `Route.data`. */
interface NavigationRouteData {
    readonly navigationIcon?: string | null;
    readonly navigationBadge?: string | null;
    readonly navigationLabel?: string | null;
}
/** Snapshot route aktif yang dipublikasikan adapter route context library. */
interface NavigationResolvedRouteContext {
    readonly url: string;
    readonly icon: string | null;
    readonly badge: string | null;
    readonly label: string | null;
}
/** Override opsional untuk route context dockbar. Nilai `true` memakai Router sepenuhnya. */
interface NavigationDockbarRouteConfig {
    readonly url?: string | null;
    readonly icon?: string | null;
    readonly badge?: string | null;
    readonly label?: string | null;
    readonly fallbackIcon?: string;
}
type NavigationDockbarRouteContext = boolean | NavigationDockbarRouteConfig;
interface NavigationRegisterInput {
    readonly id: string;
    readonly orientation: NavigationOrientation;
    readonly type?: NavigationType | null;
    readonly position?: NavigationPosition | null;
    readonly collapsed?: boolean | null;
    readonly dockbarMode?: NavigationDockbarMode | null;
}
interface NavigationState {
    readonly id: string;
    readonly orientation: NavigationOrientation;
    readonly type: NavigationType;
    readonly position: NavigationPosition;
    readonly collapsed: boolean;
    readonly dockbarMode: NavigationDockbarMode;
}
type NavigationItemType = 'item' | 'basic' | 'aside' | 'group' | 'collapsible' | 'collapsable' | 'mega' | 'divider' | 'spacer';
type NavigationNormalizedItemType = 'item' | 'group' | 'collapsible' | 'mega' | 'divider' | 'spacer';
type NavigationLink = string | readonly unknown[] | UrlTree;
interface NavigationItemClasses {
    readonly title?: string;
    readonly subtitle?: string;
    readonly icon?: string;
    /** Kelas untuk elemen klik (tombol/anchor) item. */
    readonly wrapper?: string;
    /** Kelas untuk container `<li>` group horizontal (flyout tab / navbar group). Per-group. */
    readonly container?: string;
}
interface NavigationItemBadge {
    readonly title?: string;
    readonly classes?: string;
    /** Key generik yang dicari pada input `dockbar-badge`. */
    readonly source?: string;
}
type NavigationVisibilityHandler = (item: NavigationItem) => boolean;
type NavigationActionHandler = (item: NavigationItem) => void;
interface NavigationItem {
    readonly id?: string;
    readonly type?: NavigationItemType;
    readonly title?: string;
    readonly subtitle?: string;
    readonly active?: boolean;
    readonly disabled?: boolean;
    readonly tooltip?: string;
    readonly classes?: NavigationItemClasses;
    readonly icon?: string;
    readonly badge?: NavigationItemBadge;
    readonly meta?: Record<string, unknown>;
    readonly isHidden?: NavigationVisibilityHandler;
    readonly link?: NavigationLink;
    readonly href?: string;
    readonly fragment?: string;
    readonly preserveFragment?: boolean;
    readonly queryParams?: Params | null;
    readonly queryParamsHandling?: QueryParamsHandling | null;
    readonly externalLink?: boolean;
    readonly target?: '_blank' | '_self' | '_parent' | '_top' | string;
    readonly rel?: string;
    readonly exactMatch?: boolean;
    readonly isActiveMatchOptions?: IsActiveMatchOptions;
    readonly action?: NavigationActionHandler;
    readonly columns?: number;
    readonly children?: readonly NavigationItem[];
}
interface NavigationNormalizedItem extends Omit<NavigationItem, 'children' | 'type'> {
    readonly key: string;
    readonly stateId: string;
    readonly panelId: string;
    readonly type: NavigationNormalizedItemType;
    readonly source: NavigationItem;
    readonly children: readonly NavigationNormalizedItem[];
}
interface NavigationSelection {
    readonly item: NavigationItem;
    readonly key: string;
    readonly type: NavigationNormalizedItemType;
    readonly link?: NavigationLink;
    readonly external: boolean;
}
interface NavigationIconContext {
    readonly $implicit: string;
    readonly icon: string;
    readonly item: NavigationItem;
    readonly active: boolean;
    readonly orientation: NavigationOrientation;
    readonly level: number;
}
declare function normalizeUiNavItems(items: readonly NavigationItem[]): readonly NavigationNormalizedItem[];
/** Format visual count badge dockbar. Count nol atau invalid tidak dirender. */
declare function formatNavigationBadgeCount(value: NavigationBadgeCount): string | null;

export { NAVIGATION_DOCKBAR_FALLBACK_ICON, formatNavigationBadgeCount, normalizeUiNavItems };
export type { NavigationActionHandler, NavigationAppearance, NavigationBadgeAriaLabel, NavigationBadgeContext, NavigationBadgeCount, NavigationBadgeSource, NavigationBadgeValueSource, NavigationCollapseTree, NavigationDockbarMode, NavigationDockbarRouteConfig, NavigationDockbarRouteContext, NavigationFlyoutIconPosition, NavigationFlyoutTriggerVariant, NavigationHorizontalPosition, NavigationHorizontalType, NavigationIconContext, NavigationItem, NavigationItemBadge, NavigationItemClasses, NavigationItemType, NavigationLink, NavigationNormalizedItem, NavigationNormalizedItemType, NavigationOrientation, NavigationPosition, NavigationRegisterInput, NavigationResolvedRouteContext, NavigationRouteData, NavigationSelection, NavigationState, NavigationType, NavigationVerticalPosition, NavigationVerticalType, NavigationVisibilityHandler };