/**
 * Interface for PSD file structure
 * Made compatible with @webtoon/psd's Psd class
 */
export interface PsdFile {
    width: number;
    height: number;
    children?: PsdNode[] | unknown[];
    [key: string]: unknown;
}
/**
 * Interface for a node in the PSD document
 */
interface PsdNode {
    type: string;
    text?: string;
    width?: number;
    height?: number;
    name?: string;
    opacity?: number;
    isHidden?: boolean;
    children?: PsdNode[];
    left?: number;
    top?: number;
    textProperties?: {
        EngineDict?: {
            StyleRun?: {
                RunArray?: Array<{
                    StyleSheet?: {
                        StyleSheetData?: {
                            FontSize?: number;
                            FillColor?: {
                                Values?: number[];
                            };
                            Tracking?: number;
                        };
                    };
                }>;
            };
        };
    };
    composite?: () => Promise<Uint8Array | Uint8ClampedArray>;
}
/**
 * Converts a PSD file to Fabric.js compatible JSON
 * @param psdFile - The PSD file structure from @webtoon/psd
 * @returns A promise that resolves to the JSON string
 */
export declare function psdToJson(psdFile: PsdFile): Promise<string>;
export default psdToJson;