import type { InlineConfig } from 'vite';
import type { Page } from 'playwright';
import type { CoverageOptions } from './types.js';
import type { ExceptionsManager } from './exceptions_manager.js';
export declare class CoverageManager {
    #private;
    constructor(coverageConfig: boolean | CoverageOptions | undefined, globalExcludes?: string[]);
    /**
     * Checks if coverage reporting is enabled in the configuration.
     */
    get isEnabled(): boolean;
    /**
     * Lazily creates and returns a unique temporary directory under the OS temporary directory.
     */
    getTempDir(): string;
    /**
     * Configures Vite to enable dev and build sourcemaps for accurate coverage mapping.
     */
    instrumentViteConfig(viteConfig: InlineConfig): Promise<void>;
    /**
     * Starts JavaScript coverage on the page if running on Chromium.
     */
    startCoverage(page: Page, browserName: string): Promise<void>;
    /**
     * Stops JSCoverage, processes dynamic URLs and inline source maps, and writes
     * the V8-compatible coverage payload to a temporary JSON file.
     */
    collectPageCoverage(page: Page, browserName: string): Promise<void>;
    /**
     * Compiles the coverage reports using c8's programmatic Report API and enforces threshold limits.
     */
    generateReport(exceptionsManager: ExceptionsManager): Promise<void>;
}