import { z } from "zod";
import type { Tier } from "../types.js";
export declare const getIndexBenchmarksSchema: {
    index_code: z.ZodOptional<z.ZodString>;
    index_category: z.ZodOptional<z.ZodString>;
};
interface RegistryRow {
    index_code: string;
    index_category: string;
    index_description: string | null;
    index_definition: string | null;
    index_question: string | null;
    methodology_note: string | null;
    unit: string | null;
    display_order: number | null;
    is_flagship: boolean | null;
    parent_index: string | null;
}
export declare function loadPublishedIndexes(filters?: string[]): Promise<RegistryRow[]>;
/** Latest index_values date at or before the gate. */
export declare function latestIndexDate(gate: string | null): Promise<string | null>;
export declare function handleGetIndexBenchmarks(params: z.infer<z.ZodObject<typeof getIndexBenchmarksSchema>>, tier: Tier): Promise<{
    content: {
        type: "text";
        text: string;
    }[];
}>;
export {};
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