declare const BINARY_EXTENSIONS: Set<string>;
declare const MAX_READ_BYTES: number;
declare const MAX_WRITE_BYTES: number;
export interface FileSafetyResult {
    safe: boolean;
    reason?: string;
}
export declare function isBinaryExtension(filePath: string): boolean;
export declare function isBinaryFile(filePath: string, sampleBytes?: number): Promise<boolean>;
export declare function checkReadSafety(filePath: string): Promise<FileSafetyResult>;
export declare function checkWriteSafety(filePath: string, content: string): Promise<FileSafetyResult>;
export declare function isProtectedPath(filePath: string): boolean;
export { BINARY_EXTENSIONS, MAX_READ_BYTES, MAX_WRITE_BYTES };
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