import { z } from "zod";
export declare const ConfigSchema: z.ZodObject<{
    version: z.ZodDefault<z.ZodNumber>;
    gemini_api_key: z.ZodOptional<z.ZodString>;
    default_workspace: z.ZodDefault<z.ZodString>;
    embedding: z.ZodDefault<z.ZodObject<{
        model: z.ZodDefault<z.ZodString>;
        dimensions: z.ZodDefault<z.ZodNumber>;
    }, "strip", z.ZodTypeAny, {
        model: string;
        dimensions: number;
    }, {
        model?: string | undefined;
        dimensions?: number | undefined;
    }>>;
    store: z.ZodDefault<z.ZodObject<{
        concurrency: z.ZodDefault<z.ZodNumber>;
        fail_on_duplicate: z.ZodDefault<z.ZodBoolean>;
        chunk_sizes: z.ZodDefault<z.ZodObject<{
            pdf_pages: z.ZodDefault<z.ZodNumber>;
            video_seconds: z.ZodDefault<z.ZodNumber>;
            audio_seconds: z.ZodDefault<z.ZodNumber>;
            text_tokens: z.ZodDefault<z.ZodNumber>;
        }, "strip", z.ZodTypeAny, {
            pdf_pages: number;
            video_seconds: number;
            audio_seconds: number;
            text_tokens: number;
        }, {
            pdf_pages?: number | undefined;
            video_seconds?: number | undefined;
            audio_seconds?: number | undefined;
            text_tokens?: number | undefined;
        }>>;
    }, "strip", z.ZodTypeAny, {
        concurrency: number;
        fail_on_duplicate: boolean;
        chunk_sizes: {
            pdf_pages: number;
            video_seconds: number;
            audio_seconds: number;
            text_tokens: number;
        };
    }, {
        concurrency?: number | undefined;
        fail_on_duplicate?: boolean | undefined;
        chunk_sizes?: {
            pdf_pages?: number | undefined;
            video_seconds?: number | undefined;
            audio_seconds?: number | undefined;
            text_tokens?: number | undefined;
        } | undefined;
    }>>;
    serve: z.ZodDefault<z.ZodObject<{
        port: z.ZodDefault<z.ZodNumber>;
        host: z.ZodDefault<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        port: number;
        host: string;
    }, {
        port?: number | undefined;
        host?: string | undefined;
    }>>;
}, "strip", z.ZodTypeAny, {
    version: number;
    default_workspace: string;
    embedding: {
        model: string;
        dimensions: number;
    };
    store: {
        concurrency: number;
        fail_on_duplicate: boolean;
        chunk_sizes: {
            pdf_pages: number;
            video_seconds: number;
            audio_seconds: number;
            text_tokens: number;
        };
    };
    serve: {
        port: number;
        host: string;
    };
    gemini_api_key?: string | undefined;
}, {
    version?: number | undefined;
    gemini_api_key?: string | undefined;
    default_workspace?: string | undefined;
    embedding?: {
        model?: string | undefined;
        dimensions?: number | undefined;
    } | undefined;
    store?: {
        concurrency?: number | undefined;
        fail_on_duplicate?: boolean | undefined;
        chunk_sizes?: {
            pdf_pages?: number | undefined;
            video_seconds?: number | undefined;
            audio_seconds?: number | undefined;
            text_tokens?: number | undefined;
        } | undefined;
    } | undefined;
    serve?: {
        port?: number | undefined;
        host?: string | undefined;
    } | undefined;
}>;
export type Config = z.infer<typeof ConfigSchema>;
export declare function loadConfig(path: string): Promise<Config>;
export declare function saveConfig(path: string, config: Config): Promise<void>;
export declare function resolveApiKey(envKey: string | undefined, configKey: string | undefined): string | undefined;
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