/**
 * Leaper Agent – Image Generation Tool
 * AI image generation via FAL.ai with FLUX, DALL-E, and more.
 */
import type { ToolDefinition } from './registry.js';
export type ImageModel = 'flux-schnell' | 'flux-dev' | 'flux-pro' | 'flux-realism' | 'ideogram-v2' | 'dalle3' | 'recraft-v3' | 'stable-diffusion-3';
export type ImageSize = '256x256' | '512x512' | '768x768' | '1024x1024' | '1024x1792' | '1792x1024';
export interface ImageGenerationOptions {
    prompt: string;
    model?: ImageModel;
    size?: ImageSize;
    negative_prompt?: string;
    num_images?: number;
    seed?: number;
    style?: string;
    upscale?: boolean;
}
export interface GeneratedImage {
    url: string;
    width: number;
    height: number;
    seed?: number;
}
export interface ImageGenerationResult {
    success: boolean;
    images?: GeneratedImage[];
    model?: string;
    error?: string;
    request_id?: string;
}
export interface ModelMetadata {
    id: ImageModel;
    name: string;
    provider: 'fal' | 'openai' | 'stability';
    supports: {
        negative_prompt: boolean;
        seed: boolean;
        style: boolean;
        upscale: boolean;
    };
    default_size: ImageSize;
}
export declare const MODEL_CATALOG: Record<ImageModel, ModelMetadata>;
export declare function buildFalPayload(opts: ImageGenerationOptions, meta: ModelMetadata): Record<string, unknown>;
export declare function generateViaFal(model: ImageModel, payload: Record<string, unknown>): Promise<ImageGenerationResult>;
export declare function generateImage(opts: ImageGenerationOptions): Promise<ImageGenerationResult>;
export declare const imageGenerationTool: ToolDefinition;
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