/**
 * Google Gemini LLM adapter
 *
 * Supports all Gemini models including the latest Gemini 3 family.
 *
 * @packageDocumentation
 */
import type { LLMProvider, GeminiConfig, CompletionRequest, CompletionResponse } from '../../types/llm.js';
import { BaseLLMAdapter } from './base.js';
/**
 * Gemini 3 Models (Latest - December 2025)
 * - gemini-3-pro: Most intelligent, PhD-level reasoning
 * - gemini-3-flash: Fast frontier performance
 * - gemini-3-deep-think: Extended reasoning mode
 */
export declare const GEMINI_3_MODELS: {
    readonly 'gemini-3-pro': "gemini-3.0-pro";
    readonly 'gemini-3-flash': "gemini-3.0-flash";
    readonly 'gemini-3-deep-think': "gemini-3.0-deep-think";
};
/**
 * Gemini 2.5 Models (2025)
 * - Best price-performance ratio
 */
export declare const GEMINI_2_5_MODELS: {
    readonly 'gemini-2.5-pro': "gemini-2.5-pro";
    readonly 'gemini-2.5-flash': "gemini-2.5-flash";
    readonly 'gemini-2.5-flash-lite': "gemini-2.5-flash-lite";
};
/**
 * Gemini 2.0 Models (Late 2024 - Early 2025)
 */
export declare const GEMINI_2_0_MODELS: {
    readonly 'gemini-2.0-flash': "gemini-2.0-flash";
    readonly 'gemini-2.0-flash-exp': "gemini-2.0-flash-exp";
};
/**
 * Gemini 1.5 Models (Legacy - 2024)
 */
export declare const GEMINI_1_5_MODELS: {
    readonly 'gemini-1.5-pro': "gemini-1.5-pro";
    readonly 'gemini-1.5-flash': "gemini-1.5-flash";
};
/**
 * All available Gemini models
 */
export declare const GEMINI_MODELS: {
    readonly 'gemini-1.5-pro': "gemini-1.5-pro";
    readonly 'gemini-1.5-flash': "gemini-1.5-flash";
    readonly 'gemini-2.0-flash': "gemini-2.0-flash";
    readonly 'gemini-2.0-flash-exp': "gemini-2.0-flash-exp";
    readonly 'gemini-2.5-pro': "gemini-2.5-pro";
    readonly 'gemini-2.5-flash': "gemini-2.5-flash";
    readonly 'gemini-2.5-flash-lite': "gemini-2.5-flash-lite";
    readonly 'gemini-3-pro': "gemini-3.0-pro";
    readonly 'gemini-3-flash': "gemini-3.0-flash";
    readonly 'gemini-3-deep-think': "gemini-3.0-deep-think";
};
/**
 * Model alias type for convenient model selection
 */
export type GeminiModelAlias = keyof typeof GEMINI_MODELS;
/**
 * Resolve a model alias or ID to the full model ID
 */
export declare function resolveGeminiModel(modelOrAlias: string): string;
/**
 * Adapter for Google Gemini models
 *
 * Supports all Gemini models including:
 * - Gemini 3: gemini-3-pro, gemini-3-flash, gemini-3-deep-think
 * - Gemini 2.5: gemini-2.5-pro, gemini-2.5-flash
 * - Gemini 2.0: gemini-2.0-flash
 * - Legacy: gemini-1.5-pro, gemini-1.5-flash
 *
 * Any valid Gemini model ID will work.
 */
export declare class GeminiAdapter extends BaseLLMAdapter {
    private readonly baseUrl;
    constructor(config: GeminiConfig);
    get provider(): LLMProvider;
    complete(request: CompletionRequest): Promise<CompletionResponse>;
    private buildRequest;
    private executeRequest;
    private parseResponse;
}
/**
 * Create a Gemini adapter from environment variables
 *
 * @param model - Model ID or alias (e.g., 'gemini-3-flash', 'gemini-3-pro', 'gemini-2.5-flash')
 *                Use aliases for convenience or full model IDs for specific versions.
 *                Any valid Gemini model ID will work - not limited to the aliases.
 *
 * @example
 * ```typescript
 * // Using latest fast model
 * const adapter = createGeminiAdapter('gemini-3-flash');
 *
 * // Using most capable model
 * const adapter = createGeminiAdapter('gemini-3-pro');
 *
 * // Using cost-effective option
 * const adapter = createGeminiAdapter('gemini-2.5-flash');
 *
 * // Using a future model (when released)
 * const adapter = createGeminiAdapter('gemini-4-ultra');
 * ```
 */
export declare function createGeminiAdapter(model?: GeminiModelAlias | string, overrides?: Partial<GeminiConfig>): GeminiAdapter;
/**
 * List all available Gemini model aliases
 */
export declare function listGeminiModels(): {
    alias: string;
    modelId: string;
}[];
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