import type { ThemeConfigJson } from '@json-to-office/shared-docx';
export declare class ThemeFileError extends Error {
    path?: string | undefined;
    _cause?: Error | undefined;
    constructor(message: string, path?: string | undefined, _cause?: Error | undefined);
}
export declare class ThemeLoader {
    private parser;
    private readonly MAX_FILE_SIZE;
    private readonly ALLOWED_EXTENSIONS;
    loadFromFile(filePath: string): Promise<ThemeConfigJson>;
    loadFromUrl(_url: string): Promise<ThemeConfigJson>;
    private validateFilePath;
    private readFileWithLimits;
    validateFile(filePath: string): {
        valid: boolean;
        error?: string;
    };
    getFileInfo(filePath: string): Promise<{
        exists: boolean;
        size?: number;
        isFile?: boolean;
        error?: string;
    }>;
}
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