import { z } from 'zod';
/**
 * Zod schema for all environment variables used across lumic-utils.
 * Required fields will cause a validation error if missing.
 * Optional fields will default to undefined.
 */
declare const lumicSecretsSchema: z.ZodObject<{
    openai: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    anthropic: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    deepseek: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    kimi: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    qwen: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    xai: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    gemini: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    perplexity: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    aws: z.ZodObject<{
        region: z.ZodOptional<z.ZodString>;
        accessKeyId: z.ZodOptional<z.ZodString>;
        secretAccessKey: z.ZodOptional<z.ZodString>;
        myRegion: z.ZodOptional<z.ZodString>;
        myAccessKeyId: z.ZodOptional<z.ZodString>;
        mySecretAccessKey: z.ZodOptional<z.ZodString>;
        lambdaFunctionName: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        region?: string | undefined;
        accessKeyId?: string | undefined;
        secretAccessKey?: string | undefined;
        myRegion?: string | undefined;
        myAccessKeyId?: string | undefined;
        mySecretAccessKey?: string | undefined;
        lambdaFunctionName?: string | undefined;
    }, {
        region?: string | undefined;
        accessKeyId?: string | undefined;
        secretAccessKey?: string | undefined;
        myRegion?: string | undefined;
        myAccessKeyId?: string | undefined;
        mySecretAccessKey?: string | undefined;
        lambdaFunctionName?: string | undefined;
    }>;
    slack: z.ZodObject<{
        botToken: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        botToken?: string | undefined;
    }, {
        botToken?: string | undefined;
    }>;
    googleSheets: z.ZodObject<{
        clientEmail: z.ZodOptional<z.ZodString>;
        privateKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        clientEmail?: string | undefined;
        privateKey?: string | undefined;
    }, {
        clientEmail?: string | undefined;
        privateKey?: string | undefined;
    }>;
    openweather: z.ZodObject<{
        apiKey: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        apiKey?: string | undefined;
    }, {
        apiKey?: string | undefined;
    }>;
    config: z.ZodObject<{
        aiModel: z.ZodOptional<z.ZodString>;
        perplexityModel: z.ZodOptional<z.ZodString>;
        llmDefaultProvider: z.ZodOptional<z.ZodString>;
        llmMiniProvider: z.ZodOptional<z.ZodString>;
        llmNormalProvider: z.ZodOptional<z.ZodString>;
        llmAdvancedProvider: z.ZodOptional<z.ZodString>;
        llmModelMini: z.ZodOptional<z.ZodString>;
        llmModelNormal: z.ZodOptional<z.ZodString>;
        llmModelAdvanced: z.ZodOptional<z.ZodString>;
        lumicDebug: z.ZodDefault<z.ZodBoolean>;
        allowedUploadPaths: z.ZodDefault<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        lumicDebug: boolean;
        allowedUploadPaths: string;
        aiModel?: string | undefined;
        perplexityModel?: string | undefined;
        llmDefaultProvider?: string | undefined;
        llmMiniProvider?: string | undefined;
        llmNormalProvider?: string | undefined;
        llmAdvancedProvider?: string | undefined;
        llmModelMini?: string | undefined;
        llmModelNormal?: string | undefined;
        llmModelAdvanced?: string | undefined;
    }, {
        aiModel?: string | undefined;
        perplexityModel?: string | undefined;
        llmDefaultProvider?: string | undefined;
        llmMiniProvider?: string | undefined;
        llmNormalProvider?: string | undefined;
        llmAdvancedProvider?: string | undefined;
        llmModelMini?: string | undefined;
        llmModelNormal?: string | undefined;
        llmModelAdvanced?: string | undefined;
        lumicDebug?: boolean | undefined;
        allowedUploadPaths?: string | undefined;
    }>;
}, "strip", z.ZodTypeAny, {
    openai: {
        apiKey?: string | undefined;
    };
    anthropic: {
        apiKey?: string | undefined;
    };
    deepseek: {
        apiKey?: string | undefined;
    };
    kimi: {
        apiKey?: string | undefined;
    };
    qwen: {
        apiKey?: string | undefined;
    };
    xai: {
        apiKey?: string | undefined;
    };
    gemini: {
        apiKey?: string | undefined;
    };
    perplexity: {
        apiKey?: string | undefined;
    };
    aws: {
        region?: string | undefined;
        accessKeyId?: string | undefined;
        secretAccessKey?: string | undefined;
        myRegion?: string | undefined;
        myAccessKeyId?: string | undefined;
        mySecretAccessKey?: string | undefined;
        lambdaFunctionName?: string | undefined;
    };
    slack: {
        botToken?: string | undefined;
    };
    googleSheets: {
        clientEmail?: string | undefined;
        privateKey?: string | undefined;
    };
    openweather: {
        apiKey?: string | undefined;
    };
    config: {
        lumicDebug: boolean;
        allowedUploadPaths: string;
        aiModel?: string | undefined;
        perplexityModel?: string | undefined;
        llmDefaultProvider?: string | undefined;
        llmMiniProvider?: string | undefined;
        llmNormalProvider?: string | undefined;
        llmAdvancedProvider?: string | undefined;
        llmModelMini?: string | undefined;
        llmModelNormal?: string | undefined;
        llmModelAdvanced?: string | undefined;
    };
}, {
    openai: {
        apiKey?: string | undefined;
    };
    anthropic: {
        apiKey?: string | undefined;
    };
    deepseek: {
        apiKey?: string | undefined;
    };
    kimi: {
        apiKey?: string | undefined;
    };
    qwen: {
        apiKey?: string | undefined;
    };
    xai: {
        apiKey?: string | undefined;
    };
    gemini: {
        apiKey?: string | undefined;
    };
    perplexity: {
        apiKey?: string | undefined;
    };
    aws: {
        region?: string | undefined;
        accessKeyId?: string | undefined;
        secretAccessKey?: string | undefined;
        myRegion?: string | undefined;
        myAccessKeyId?: string | undefined;
        mySecretAccessKey?: string | undefined;
        lambdaFunctionName?: string | undefined;
    };
    slack: {
        botToken?: string | undefined;
    };
    googleSheets: {
        clientEmail?: string | undefined;
        privateKey?: string | undefined;
    };
    openweather: {
        apiKey?: string | undefined;
    };
    config: {
        aiModel?: string | undefined;
        perplexityModel?: string | undefined;
        llmDefaultProvider?: string | undefined;
        llmMiniProvider?: string | undefined;
        llmNormalProvider?: string | undefined;
        llmAdvancedProvider?: string | undefined;
        llmModelMini?: string | undefined;
        llmModelNormal?: string | undefined;
        llmModelAdvanced?: string | undefined;
        lumicDebug?: boolean | undefined;
        allowedUploadPaths?: string | undefined;
    };
}>;
/**
 * Type definition inferred from the Zod schema
 */
export type LumicSecrets = z.infer<typeof lumicSecretsSchema>;
/**
 * Returns the validated secrets singleton.
 * Loads from process.env on first call and caches the result.
 * @returns Validated LumicSecrets object
 */
export declare function getSecrets(): LumicSecrets;
/**
 * Resets the cached secrets. Useful for testing or when env vars change.
 */
export declare function resetSecrets(): void;
/**
 * Validates that a specific secret is present. Throws if missing.
 * @param key - Dot-notation path to the secret (e.g., 'openai.apiKey')
 * @param serviceName - Human-readable service name for error messages
 * @returns The secret value
 */
export declare function requireSecret(key: string, serviceName: string): string;
export {};