import { type ImageProvider } from '../config/env.js';
export type ImageProviderInput = ImageProvider | 'chatgpt' | 'google' | 'default';
export type ImageSize = `${number}x${number}`;
export type ImageGenerationOptions = {
    provider?: ImageProviderInput | undefined;
    size?: ImageSize | undefined;
    outputDir?: string | undefined;
    imagePaths?: string[] | undefined;
    imageUrls?: string[] | undefined;
    maskPath?: string | undefined;
    maskUrl?: string | undefined;
};
export type ImageGenerationResult = {
    text?: string;
    files: string[];
    model: string;
    provider: ImageProvider;
    operation: 'generate' | 'edit';
    inputImages?: string[];
};
export declare function isImageSize(value: string | undefined): value is ImageSize;
export declare function generateImageAsset(prompt: string, options?: ImageGenerationOptions): Promise<ImageGenerationResult>;
export declare const imageGenerateTool: import("ai").Tool<{
    prompt: string;
    provider?: "openai" | "gemini" | "chatgpt" | "google" | "default" | undefined;
    size?: string | undefined;
    imagePaths?: string[] | undefined;
    imageUrls?: string[] | undefined;
    maskPath?: string | undefined;
    maskUrl?: string | undefined;
}, ImageGenerationResult>;
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