import { PDFDocument } from 'pdf-lib';
export declare function loadPdf(filePath: string, password?: string): Promise<PDFDocument>;
export declare function loadPdfBuffer(filePath: string): Promise<Buffer>;
export declare function savePdf(doc: PDFDocument, outputPath: string): Promise<{
    path: string;
    size: number;
    pages: number;
}>;
export declare function ensureDir(dirPath: string): Promise<void>;
export declare function resolvePageIndices(pages: number[] | undefined, totalPages: number): number[];
export declare function parseColor(input?: string): import("pdf-lib").RGB;
export declare function toRadians(degrees: number): number;
export declare function formatBytes(bytes: number): string;
export declare function errMsg(error: unknown): string;
export declare function toolResult(text: string): {
    content: {
        type: "text";
        text: string;
    }[];
};
export declare function toolError(message: string): {
    content: {
        type: "text";
        text: string;
    }[];
    isError: true;
};
export declare function embedImage(doc: PDFDocument, imagePath: string): Promise<import("pdf-lib").PDFImage>;
export declare function getPageSize(name: string): [number, number];