/**
 * Configuration resolution for pi-search.
 *
 * Resolution order (highest priority first):
 *  1. process.env.EXA_API_KEY / process.env.PI_SEARCH_CONFIG_PATH
 *  2. ~/.pi/pi-search.json (or PI_SEARCH_CONFIG_PATH)
 *  3. defaults
 *
 * Mirrors the pi-exa-search config pattern with extension hook
 * for the disabledTools list and the REST/MCP selection.
 */
import type { ResolvedConfig } from "./types.js";
export declare const DEFAULT_CONFIG_PATH: string;
export declare const DEFAULT_MCP_TIMEOUT_MS = 30000;
type RawConfig = {
    exaApiKey?: string;
    braveApiKey?: string;
    firecrawlApiKey?: string;
    apiKey?: string;
    disabledTools?: string[];
    useRestForExa?: boolean;
    mcpTimeoutMs?: number;
    ssrf?: {
        allowRanges?: string[];
    };
    githubToken?: string;
    urlRewrites?: Array<{
        match: string;
        replace: string;
    }>;
};
export type ReadConfigOptions = {
    configPath?: string;
    env?: NodeJS.ProcessEnv;
    homeDir?: string;
};
export declare function parseConfig(raw: string): RawConfig;
export declare function readConfig(options?: ReadConfigOptions): RawConfig;
export type ResolveConfigOptions = ReadConfigOptions & {
    disabledToolsFromArgs?: string[];
};
export declare function resolveConfig(options?: ResolveConfigOptions): ResolvedConfig;
/** Throws ConfigError if any unknown tool names are disabled. */
export declare function validateDisabledTools(disabled: Set<string>, known: readonly string[]): void;
export {};
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