/**
 * Provider Image Adapter - Smart routing for multimodal content
 * Handles provider-specific image formatting and vision capability validation
 */
import type { Content, ImageWithAltText } from "../types/index.js";
/**
 * Simplified logger for essential error reporting only
 */
export declare class MultimodalLogger {
    static logError(step: string, error: Error, context: unknown): void;
}
/**
 * Provider Image Adapter - Smart routing and formatting
 */
export declare class ProviderImageAdapter {
    /**
     * Validate image count against provider limits.
     * Warns at 80% threshold, throws error if limit exceeded.
     */
    static validateImageCount(imageCount: number, provider: string, model?: string): void;
    /**
     * Convert simple images array to advanced content format
     * @param text - Text content to include
     * @param images - Array of images (Buffer, string, or ImageWithAltText)
     */
    static convertToContent(text: string, images?: Array<Buffer | string | ImageWithAltText>): Content[];
    /**
     * Check if provider supports multimodal content
     */
    static supportsVision(provider: string, model?: string): boolean;
    /**
     * Get supported models for a provider
     */
    static getSupportedModels(provider: string): string[];
    /**
     * Get all vision-capable providers
     */
    static getVisionProviders(): string[];
    /**
     * Count total "images" in a message (actual images + PDF pages)
     * PDF pages count toward image limits for providers
     */
    static countImagesInMessage(images: Array<Buffer | string>, pdfPages?: number | null): number;
    /**
     * Extract page count from PDF metadata array
     * Returns total pages across all PDFs
     */
    static countImagesInPages(pdfMetadataArray: Array<{
        pageCount?: number | null;
    }> | undefined): number;
}