/**
 * @fileoverview Tool to list geography levels available for a Census dataset and year.
 * @module mcp-server/tools/definitions/census-list-geographies
 */
import { z } from '@cyanheads/mcp-ts-core';
import { JsonRpcErrorCode } from '@cyanheads/mcp-ts-core/errors';
export declare const censusListGeographies: import("@cyanheads/mcp-ts-core").ToolDefinition<z.ZodObject<{
    dataset: z.ZodString;
    year: z.ZodOptional<z.ZodNumber>;
}, z.core.$strip>, z.ZodObject<{
    geography_levels: z.ZodArray<z.ZodObject<{
        geography_level: z.ZodString;
        requires_parent: z.ZodBoolean;
        required_parent_levels: z.ZodArray<z.ZodString>;
        example: z.ZodString;
    }, z.core.$strip>>;
}, z.core.$strip>, readonly [{
    readonly reason: "dataset_not_found";
    readonly code: JsonRpcErrorCode.NotFound;
    readonly when: "Dataset code is not recognized.";
    readonly recovery: "Call census_list_datasets to discover valid dataset codes like acs/acs5.";
}, {
    readonly reason: "year_not_available";
    readonly code: JsonRpcErrorCode.ValidationError;
    readonly when: "Dataset exists but the requested year has no data.";
    readonly recovery: "Check available_years in census_list_datasets for valid years for this dataset.";
}], {
    readonly dataset: z.ZodString;
    readonly year: z.ZodNumber;
    readonly totalLevels: z.ZodNumber;
}>;
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