/**
 * List of binary document file extensions that should not be read as text
 */
export declare const BINARY_DOCUMENT_EXTENSIONS: readonly [".pdf", ".doc", ".docx", ".xls", ".xlsx", ".ppt", ".pptx", ".odt", ".ods", ".odp", ".rtf"];
/**
 * Check if a file is a binary document format based on its extension
 * @param filePath - The path to the file
 * @returns true if the file is a binary document format, false otherwise
 */
export declare function isBinaryDocument(filePath: string): boolean;
/**
 * Get a human-readable error message for unsupported binary document formats
 * @param filePath - The path to the file
 * @returns Error message string
 */
export declare function getBinaryDocumentError(filePath: string): string;