/**
 * Configuration loading, authentication resolution, and tool enablement for pi-exa.
 */
import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
export interface ExaConfig {
    apiKey?: string;
    enabledTools?: string[];
    advancedEnabled?: boolean;
    researchEnabled?: boolean;
}
export interface AuthResolution {
    apiKey: string;
    source?: "CLI flag" | "EXA_API_KEY env var" | "config file";
}
export declare function normalizeString(value: unknown): string | undefined;
export declare function resolveConfigPath(configPath: string): string;
export declare function parseConfig(raw: unknown): ExaConfig;
export declare function loadConfig(configPath?: string): ExaConfig | null;
export declare function getResolvedConfig(pi: ExtensionAPI): ExaConfig | null;
export declare function resolveAuth(pi: ExtensionAPI): AuthResolution;
export declare function getAuthStatusMessage(pi: ExtensionAPI): string;
export declare function isToolEnabledForConfig(pi: ExtensionAPI, config: ExaConfig | null, toolName: string): boolean;