import { type PluginModuleMap, type WidgetPlugin, type WidgetMiddlewarePlugin } from '@deephaven/plugin';
/**
 * Information about a widget type including its base plugin and any middleware.
 */
export interface WidgetTypeInfo {
    /** The base plugin that handles this widget type, or null if only middleware registered so far */
    basePlugin: WidgetPlugin | null;
    /** Middleware plugins to apply, in order from outermost to innermost */
    middleware: WidgetMiddlewarePlugin[];
}
/**
 * Widget type info that is guaranteed to have a base plugin.
 */
export type ValidWidgetTypeInfo = WidgetTypeInfo & {
    basePlugin: WidgetPlugin;
};
/**
 * Build a map of widget types to their plugin chain info.
 * For each type, we have a base plugin and a list of middleware to apply.
 *
 * Types that only have middleware registered (no base plugin) are omitted.
 *
 * @param plugins Map of all registered plugin modules
 * @returns Map of widget type to the base plugin and middleware for that type
 */
export declare function getSupportedWidgetTypes(plugins: PluginModuleMap): Map<string, ValidWidgetTypeInfo>;
/**
 * Get the unique base plugins from a supported types map, merging the middleware
 * from each type a given base plugin handles.
 *
 * @param supportedTypes Map of widget type to base plugin and middleware
 * @returns Map of base plugin name to the base plugin and its merged middleware
 */
export declare function getUniqueWidgetPluginInfos(supportedTypes: Map<string, ValidWidgetTypeInfo>): Map<string, ValidWidgetTypeInfo>;
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