import type { WorkspaceFolder } from 'vscode-languageserver';
import { WorkspaceIndex, type WorkspaceSymbolEntry } from './workspace-index.js';
import type { Logger } from '../utils/logger.js';
/**
 * Multi-root workspace manager that tracks multiple workspace folders,
 * each with its own WorkspaceIndex.
 */
export declare class MultiRootWorkspace {
    private roots;
    private logger;
    constructor(logger: Logger);
    /**
     * Initialize with workspace folders.
     */
    initialize(folders: WorkspaceFolder[]): Promise<void>;
    /**
     * Add a workspace folder.
     */
    addFolder(folder: WorkspaceFolder): Promise<void>;
    /**
     * Remove a workspace folder.
     */
    removeFolder(folderUri: string): void;
    /**
     * Get the WorkspaceIndex for a given file URI by finding the longest
     * matching workspace folder prefix.
     */
    getIndexForFile(fileUri: string): WorkspaceIndex | undefined;
    /**
     * Get all workspace indexes.
     */
    getAllIndexes(): WorkspaceIndex[];
    /**
     * Search symbols across all workspaces.
     */
    searchSymbols(query: string): Array<{
        entry: WorkspaceSymbolEntry;
        workspaceFolder: string;
    }>;
    /**
     * Find type by name across all workspaces. Returns the first match.
     */
    findTypeByName(name: string): {
        entry: WorkspaceSymbolEntry;
        workspaceFolder: string;
    } | undefined;
    /**
     * Get all workspace folders.
     */
    getFolders(): WorkspaceFolder[];
}
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