import type { OverlayContentContext, OverlayMountable } from "./overlays/div-overlay.js";
export type PopupContentBlockType = "popupText" | "popupHtml" | "popupImage" | "popupVideo" | "popupChart" | string;
export interface PopupContentBlock {
    type: PopupContentBlockType;
    title?: string;
    visible?: boolean;
    props?: Record<string, unknown>;
}
export interface PopupContentSpec {
    title?: string;
    props?: Record<string, unknown>;
    children?: PopupContentBlock[];
}
export type PopupContentCleanup = void | (() => void) | {
    destroy(): void;
};
export type PopupChartRenderer = (container: HTMLElement, block: PopupContentBlock, context: OverlayContentContext) => PopupContentCleanup | Promise<PopupContentCleanup>;
export interface PopupContentOptions {
    chartRenderer?: PopupChartRenderer;
    classPrefix?: string;
    emptyText?: string;
    properties?: (context: OverlayContentContext) => Record<string, unknown>;
}
export interface EChartsPopupRendererOptions {
    libraryUrl?: string;
    renderer?: "canvas" | "svg";
}
/**
 * Creates safe, lifecycle-aware declarative popup content. It can be passed
 * directly to `bindPopup()` and keeps product/editor schemas out of Popup.
 */
export declare function popupContent(spec: PopupContentSpec, options?: PopupContentOptions): OverlayMountable;
/** A CSP-conscious sanitizer for the explicit HTML popup block. */
export declare function sanitizePopupHtml(value: unknown): DocumentFragment;
export declare function popupConditionMatches(expression: unknown, context: OverlayContentContext, resolveProperties?: PopupContentOptions["properties"]): boolean;
/** Optional ECharts adapter; ECharts is loaded only when the first chart mounts. */
export declare function createEChartsPopupRenderer(options?: EChartsPopupRendererOptions): PopupChartRenderer;
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