/**
 * PanelFileSystemAdapter
 *
 * Implements FileSystemAdapter interface by wrapping the panel framework's
 * file access APIs (fileTree slice and openFile action).
 *
 * For read operations: Uses the fileTree slice and fetchFile function
 * For write operations: Delegates to the host's fileSystem adapter (if available)
 */
import type { FileSystemAdapter } from '@backlog-md/core';
/**
 * Host file system adapter interface (subset of what web-ade provides)
 * Uses void | Promise<void> to match the panel-framework-core FileSystemAdapter
 */
export interface HostFileSystemAdapter {
    writeFile?: (path: string, content: string) => void | Promise<void>;
    createDir?: (path: string) => void | Promise<void>;
    deleteFile?: (path: string) => void | Promise<void>;
}
export interface PanelFileAccess {
    /** Function to fetch file content by path */
    fetchFile: (path: string) => Promise<string>;
    /** List of all file paths in the repository */
    filePaths: string[];
    /** Optional host file system adapter for write operations */
    hostFileSystem?: HostFileSystemAdapter;
}
/**
 * FileSystemAdapter implementation for the panel framework
 *
 * This adapter wraps the panel's file access mechanisms to provide
 * a standard FileSystemAdapter interface for @backlog-md/core.
 */
export declare class PanelFileSystemAdapter implements FileSystemAdapter {
    private readonly filePaths;
    private readonly directories;
    private readonly fetchFile;
    private readonly hostFileSystem?;
    constructor(access: PanelFileAccess);
    /**
     * Check if write operations are available
     */
    get canWrite(): boolean;
    exists(path: string): Promise<boolean>;
    readFile(path: string): Promise<string>;
    writeFile(path: string, content: string): Promise<void>;
    deleteFile(path: string): Promise<void>;
    createDir(path: string, _options?: {
        recursive?: boolean;
    }): Promise<void>;
    readDir(path: string): Promise<string[]>;
    isDirectory(path: string): Promise<boolean>;
    rename(_from: string, _to: string): Promise<void>;
    stat(path: string): Promise<{
        mtime: Date;
        isDirectory: boolean;
        size: number;
    }>;
    join(...paths: string[]): string;
    dirname(path: string): string;
    basename(path: string, ext?: string): string;
    extname(path: string): string;
    relative(from: string, to: string): string;
    isAbsolute(path: string): boolean;
    normalize(path: string): string;
    homedir(): string;
    private normalizePath;
}
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