/**
 * Cargo Test lens for Rust testing
 *
 * cargo test / cargo nextest runs Rust tests.
 * Output format: JSON Lines with libtest-json format
 *
 * @see https://doc.rust-lang.org/cargo/reference/external-tools.html#json-messages
 * @see https://nexte.st/
 */
import { BaseLens } from '../base/BaseLens.js';
import { LensResult, ExecuteResult } from '../../types/index.js';
interface LibtestSuiteResult {
    type: 'suite';
    event: 'ok' | 'failed';
    passed: number;
    failed: number;
    ignored: number;
    measured: number;
    filtered_out: number;
    exec_time?: number;
}
interface LibtestTestResult {
    type: 'test';
    event: 'ok' | 'failed' | 'ignored' | 'timeout';
    name: string;
    stdout?: string;
    stderr?: string;
    exec_time?: number;
    reason?: string;
}
/**
 * Parsed cargo test output
 */
interface CargoTestParsedOutput {
    tests: LibtestTestResult[];
    suiteResult?: LibtestSuiteResult;
    totalTests: number;
}
/**
 * Lens for cargo test / cargo nextest
 */
export declare class CargoTestLens extends BaseLens<CargoTestParsedOutput> {
    readonly name = "cargo-test";
    readonly description = "Rust test runner";
    readonly languages: string[];
    readonly supportedTools: string[];
    requirements: import("../..").LensRequirements;
    private pathMapper?;
    /**
     * Calculate quality score (0-100) from test results
     *
     * Scoring algorithm:
     * - Score = (passed / total) * 100
     * - Ignored tests don't affect the score
     */
    static calculateQualityScore(result: LensResult): number;
    /**
     * Parse libtest JSON output
     */
    parse(output: ExecuteResult): CargoTestParsedOutput;
    /**
     * Format cargo test results to standard format
     */
    format(parsed: CargoTestParsedOutput): LensResult;
    /**
     * Convert test name to file path (heuristic)
     *
     * Test names follow the pattern: crate::module::submodule::test_name
     * We try to map this to: src/module/submodule.rs or src/module/submodule/mod.rs
     */
    private testNameToFilePath;
    /**
     * Get or create path mapper
     */
    private getPathMapper;
    /**
     * Prepare command to ensure JSON output format
     */
    prepareCommand(command: string): string;
}
export {};
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