export type LayerType = 'osm' | 'wms' | 'wms-tiled' | 'geojson' | 'xyz' | 'terrain' | 'wfs' | 'wcs' | 'google' | 'geotiff' | 'tile3d' | 'scatterplot' | 'wkt' | 'custom';
export interface LayerGroup {
    groupTitle: string;
    basemapid: string;
    visible?: boolean | string;
    layers: NormalizedLayer[];
}
export interface NormalizedStyle {
    /** internal identifier to keep track between updates */
    key: string;
    format: string;
    src?: string;
    content?: string;
    layerTargets?: string;
    autoApply?: boolean;
    id?: string;
}
export interface MapConfig {
    flavour: string;
    id: string;
    zoom: number;
    center: string;
    style: string;
    styles: NormalizedStyle[];
    layerGroups: LayerGroup[];
}
export interface BuilderConfig {
    map: MapConfig;
}
export interface NormalizedLayer {
    id: string;
    type: LayerType;
    visible?: boolean | string;
    opacity?: number | string;
    zIndex?: number | string;
    url?: string;
    layers?: string;
    tiled?: string;
    data?: unknown;
    style?: Record<string, unknown>;
    [key: string]: unknown;
}
export type LayerPatch = {
    id: string;
    changes: Partial<Record<'type' | 'visible' | 'opacity' | 'zIndex' | 'url' | 'layers' | 'tiled' | 'style' | 'data', {
        old: unknown;
        new: unknown;
    }>>;
};
export type LayersDiff = {
    added: NormalizedLayer[];
    removed: NormalizedLayer[];
    updated: LayerPatch[];
    moved: Array<{
        id: string;
        from: number;
        to: number;
    }>;
    unchangedIds: string[];
};
/** Compare fields relevant for rendering; returns patch (only changed fields) */
export declare function diffRelevantFields(a: NormalizedLayer, b: NormalizedLayer): LayerPatch['changes'];
/** Computes added/removed/updated/moved/unchanged */
export declare function diffLayers(oldLayers: NormalizedLayer[], newLayers: NormalizedLayer[]): LayersDiff;