/**
 * Runware HTTP REST API client
 * Uses the REST API instead of the WebSocket SDK
 * API documentation: https://runware.ai/docs/en/getting-started/how-to-connect
 *
 * Image generation uses async delivery with polling:
 * 1. Submit task with deliveryMethod: "async"
 * 2. Receive taskUUID in response
 * 3. Poll with getResponse until status is "success" or "failed"
 */
export interface RunwareImageInferenceParams {
    model: string;
    positivePrompt: string;
    width?: number;
    height?: number;
    negativePrompt?: string;
    numberResults?: number;
    outputType?: 'URL' | 'base64Data' | 'dataURI';
    outputFormat?: 'PNG' | 'JPG' | 'WEBP';
    outputQuality?: number;
    steps?: number;
    CFGScale?: number;
    seed?: number;
    scheduler?: string;
    seedImage?: string;
    maskImage?: string;
    strength?: number;
    /** Model-specific inputs (e.g., referenceImages for FLUX.2 [dev]) */
    inputs?: {
        referenceImages?: string[];
        [key: string]: unknown;
    };
    /** Root-level reference images (for models like GPT Image 1 that don't use nested inputs) */
    referenceImages?: string[];
    [key: string]: unknown;
}
/**
 * Partial params that can be spread together to form complete params.
 * Used when some params come from options and some from mapInput.
 */
export type RunwareImageInferenceInput = Partial<RunwareImageInferenceParams> & {
    [key: string]: unknown;
};
export interface RunwareImageResult {
    taskType: string;
    taskUUID: string;
    status?: 'processing' | 'success' | 'failed';
    imageURL?: string;
    imageUUID?: string;
    seed?: number;
    NSFWContent?: boolean;
    cost?: number;
    errorMessage?: string;
}
export interface RunwareErrorResponse {
    errorId: number;
    errorMessage: string;
    taskUUID?: string;
}
export interface RunwareClient {
    imageInference: (params: RunwareImageInferenceInput, abortSignal?: AbortSignal) => Promise<RunwareImageResult[]>;
}
export declare function createRunwareClient(proxyUrl: string, headers?: Record<string, string>): RunwareClient;