/**
 * Simplified File Tagging System for Context Inclusion
 * Handles @ symbol detection without external dependencies
 */
export interface SimpleFileItem {
    name: string;
    path: string;
    type: 'file' | 'directory';
}
export declare class SimpleFileTagging {
    private workingDirectory;
    private fileCache;
    constructor(workingDirectory?: string);
    /**
     * Discover files in the working directory (simple version)
     */
    discoverFiles(): Promise<SimpleFileItem[]>;
    /**
     * Recursively scan directory
     */
    private scanDirectory;
    /**
     * Filter files based on user input
     */
    filterFiles(query: string): Promise<SimpleFileItem[]>;
    /**
     * Read file content for context inclusion
     */
    readFileContent(filePath: string): Promise<string | null>;
    /**
     * Get directory listing
     */
    private getDirectoryListing;
    /**
     * Check if file is likely binary
     */
    private isBinaryFile;
    /**
     * Format file size
     */
    private formatFileSize;
    /**
     * Parse @ tags from user input
     */
    parseFileTags(input: string): {
        cleanInput: string;
        fileTags: string[];
    };
    /**
     * Build context from tagged files
     */
    buildFileContext(fileTags: string[]): Promise<string>;
    /**
     * Clear cache
     */
    clearCache(): void;
    /**
     * Set working directory
     */
    setWorkingDirectory(directory: string): void;
}
/**
 * Helper functions
 */
export declare function detectFileTagging(input: string): boolean;
export declare function getCurrentTagQuery(input: string, cursorPosition: number): string | null;
/**
 * Simple autocomplete manager
 */
export declare class SimpleAutocompleteManager {
    private fileTagging;
    private isActive;
    private results;
    private selectedIndex;
    constructor(workingDirectory?: string);
    handleInput(input: string, cursorPosition: number): Promise<{
        shouldShowAutocomplete: boolean;
        results: SimpleFileItem[];
        selectedIndex: number;
    }>;
    navigateResults(direction: 'up' | 'down'): void;
    selectResult(input: string, cursorPosition: number): {
        text: string;
        cursorPosition: number;
    } | null;
    getState(): {
        isActive: boolean;
        results: SimpleFileItem[];
        selectedIndex: number;
    };
}
/**
 * Render autocomplete popup
 */
export declare function renderAutocompletePopup(results: SimpleFileItem[], selectedIndex: number): string;
export declare const simpleFileTagging: SimpleFileTagging;
export declare const simpleAutocompleteManager: SimpleAutocompleteManager;
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