import type { MutationConfig, MutationTool } from '../../types/index.js';
/**
 * Determine if mutation testing should be recommended.
 * Only recommended when line/branch coverage is already >= 90%.
 */
export declare function shouldRecommendMutation(coverage: number): boolean;
/** Map a language to its primary mutation testing tool. */
export declare function getMutationTool(language: string): MutationTool;
/**
 * Generate a mutation testing configuration for the given tool and language.
 * Returns the full MutationConfig with config file content and threshold.
 */
export declare function generateMutationConfig(tool: MutationTool, language: string): MutationConfig;
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