/**
 * `codebase-targeted-test` tool — automatically identify and run only the relevant tests for a modified symbol or file.
 *
 * Usage: codebase-targeted-test({
 *   symbol?: string,          // function/class/type name that was changed
 *   file?: string,            // source file that was changed
 *   testFiles?: string[],     // explicitly specified test files (optional)
 * })
 */
import type { Tool } from '@wrongstack/core/types';
export interface TargetedTestInput {
    /** Symbol name (function, class, method) whose tests should be discovered and run. */
    symbol?: string | undefined;
    /** Source file path whose corresponding test suite should be run. */
    file?: string | undefined;
    /** Optional explicit list of test files to run. */
    testFiles?: string[] | undefined;
}
export type CodebaseTargetedTestInput = TargetedTestInput;
export interface TargetedTestOutput {
    status: 'passed' | 'failed' | 'no_tests_found';
    discoveredSuites: string[];
    testsRun: number;
    passed: number;
    failed: number;
    durationMs: number;
    output: string;
}
export type CodebaseTargetedTestOutput = TargetedTestOutput;
/**
 * Pull pass/fail counts out of a runner's (ANSI-stripped) output.
 *
 * Vitest prints `Test Files  1 passed (1)` BEFORE `Tests  5 passed (5)`; the
 * old first-match regex reported the suite count as the test count. Scope to
 * the vitest `Tests` summary line when present, otherwise take the LAST
 * summary (pytest prints `== 3 passed, 1 failed in 0.2s ==` at the end).
 * Returns null when no counts are printed (e.g. `go test`).
 */
export declare function parseTestCounts(output: string): {
    passed: number;
    failed: number;
} | null;
/**
 * Pick the runner for the discovered suites.
 *
 * - `go test` takes PACKAGES: handed `pkg/foo_test.go` it compiles that one
 *   file without the package's sources and fails on every undefined symbol.
 * - A jest project was run with `npx vitest run`, which is not installed there.
 * - Suites of different runners cannot share one command line; the old
 *   fallback handed `.py` files to vitest.
 */
export declare function selectTestRunner(projectRoot: string, suites: readonly string[]): Promise<{
    cmd: string;
    args: string[];
}>;
export declare const codebaseTargetedTestTool: Tool<TargetedTestInput, TargetedTestOutput>;
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