import { ResourceProvider } from './types';
/**
 * Filesystem-based resource provider implementation
 * Provides async access to plugin assets
 */
export declare class FilesystemResourceProvider implements ResourceProvider {
    private readonly pluginRoot;
    constructor(pluginRoot: string);
    readAsset(relativePath: string): Promise<Buffer>;
    readAssetAsText(relativePath: string): Promise<string>;
    assetExists(relativePath: string): Promise<boolean>;
    listAssets(pattern: string): Promise<string[]>;
    getAssetPath(relativePath: string): Promise<string | null>;
    /**
     * Resolve relative path to absolute path
     */
    private resolvePath;
    /**
     * Validate path is within plugin root (prevent path traversal)
     */
    private validatePath;
    /**
     * Convert simple glob pattern to regex
     * Supports: * (any characters), ? (single character)
     */
    private globToRegex;
}
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