/**
 * Options for the cleaning process
 */
export interface CleanerOptions {
    dryRun?: boolean;
    removeUnused?: boolean;
    deepScrub?: boolean;
    verbose?: boolean;
    /**
     * Whether to delete unused files when found
     */
    deleteUnusedFiles?: boolean;
}
/**
 * Results from the cleaning process
 */
export interface CleaningResult {
    unusedFiles: string[];
    unusedImports: {
        file: string;
        imports: string[];
    }[];
    unusedVariables: {
        file: string;
        variables: string[];
    }[];
    unusedFunctions: {
        file: string;
        functions: string[];
    }[];
    modifiedFiles: string[];
    /**
     * Files that were deleted due to being unused
     */
    deletedFiles: string[];
    /**
     * Total size of unused files in bytes
     */
    unusedFilesSize: number;
}
/**
 * Handles detecting and removing unused code, imports, and files
 */
export declare class Cleaner {
    private project;
    private targetDir;
    private options;
    constructor(targetDir: string, options?: CleanerOptions);
    /**
     * Finds the TypeScript config file for the target directory
     */
    private findTsConfig;
    /**
     * Adds all TypeScript and JavaScript files to the project for analysis
     */
    private addFilesToProject;
    /**
     * Finds unused imports in the codebase
     */
    private findUnusedImports;
    /**
     * Escape special characters for use in a regular expression
     */
    private escapeRegExp;
    /**
     * Finds unused variables in the codebase
     */
    private findUnusedVariables;
    /**
     * Helper method to check if a node has export modifier
     */
    private hasExportModifier;
    /**
     * Finds unused functions in the codebase
     */
    private findUnusedFunctions;
    /**
     * Finds potentially unused files based on import references
     */
    private findUnusedFiles;
    /**
     * Check if a file should be protected from deletion
     */
    private isFileProtected;
    /**
     * Delete unused files from the file system
     * @param unusedFiles List of file paths to delete
     * @returns Array of successfully deleted file paths
     */
    private deleteUnusedFiles;
    /**
     * Clean the project by removing unused code and files
     */
    clean(): Promise<CleaningResult>;
    /**
     * Remove unused imports from a source file
     */
    private removeUnusedImports;
    /**
     * Remove unused variables from a source file
     */
    private removeUnusedVariables;
    /**
     * Remove unused functions from a source file
     */
    private removeUnusedFunctions;
    /**
     * Calculate the size of all unused files
     */
    private calculateUnusedFilesSize;
    /**
     * Format file size in a human-readable way
     */
    private formatSize;
}