/**
 * Vitest workspace diagnostics
 * Single Responsibility: Diagnose and report workspace configuration issues
 */
import { type DiscoveryOptions } from './file-discovery.js';
/**
 * Diagnostic results for a Vitest workspace
 */
export type VitestWorkspaceDiagnostics = {
    configPath: string | null;
    hasConfig: boolean;
    testFiles: string[];
    issues: string[];
};
/**
 * Options for workspace diagnostics
 */
export type DiagnosticsOptions = {
    configFilenames?: string[];
} & DiscoveryOptions;
/**
 * Diagnose a Vitest workspace and report issues
 * Checks for config files and test files, reports any problems found
 */
export declare function diagnoseVitestWorkspace(options?: DiagnosticsOptions): Promise<VitestWorkspaceDiagnostics>;
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