/**
 * Utility functions for Ollama model operations
 */
export declare class OllamaModelUtils {
    /**
     * Check if a model supports vision capabilities (llava models)
     */
    static isVisionModel(modelName: string): boolean;
    /**
     * Check if a specific model is available in the provided model list
     */
    static isModelAvailable(modelName: string, availableModels: string[]): boolean;
    /**
     * Get vision capabilities for a model
     */
    static getVisionCapabilities(modelName: string): {
        supportsImages: boolean;
        supportedFormats: string[];
        maxImageSize: number | undefined;
    };
    /**
     * Convert images to base64 strings for Ollama API
     */
    static convertImagesToBase64(images: Buffer[]): string[];
    /**
     * Validate model name format
     */
    static isValidModelName(modelName: string): boolean;
    /**
     * Extract model name from full model string (e.g., "llama3.2:8b" -> "llama3.2")
     */
    static extractBaseModelName(fullModelName: string): string;
    /**
     * Extract model tag from full model string (e.g., "llama3.2:8b" -> "8b")
     */
    static extractModelTag(fullModelName: string): string | undefined;
}