/**
 * @fileoverview Server-specific configuration for census-mcp-server.
 * Parses Census Bureau API env vars with Zod validation.
 * @module config/server-config
 */
import { z } from '@cyanheads/mcp-ts-core';
/**
 * Discovery config — no API key required. Used by tools that access public endpoints
 * (TIGERweb, variables.json) or in-process caches without calling the Census Data API.
 */
declare const DiscoveryConfigSchema: z.ZodObject<{
    defaultYear: z.ZodDefault<z.ZodCoercedNumber<unknown>>;
    variableCacheTtlHours: z.ZodDefault<z.ZodCoercedNumber<unknown>>;
}, z.core.$strip>;
export type DiscoveryConfig = z.infer<typeof DiscoveryConfigSchema>;
export declare function getDiscoveryConfig(): DiscoveryConfig;
/**
 * Full server config — requires CENSUS_API_KEY. Used only by tools that call the
 * Census Data API (census_query_data, census_compare_geographies).
 */
declare const ServerConfigSchema: z.ZodObject<{
    defaultYear: z.ZodDefault<z.ZodCoercedNumber<unknown>>;
    variableCacheTtlHours: z.ZodDefault<z.ZodCoercedNumber<unknown>>;
    censusApiKey: z.ZodString;
}, z.core.$strip>;
export type ServerConfig = z.infer<typeof ServerConfigSchema>;
export declare function getServerConfig(): ServerConfig;
export {};
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