import { CoverageData, CoverageSummary } from "./data";
/**
 * Coverage data container with methods for analysis and reporting.
 *
 * @example
 * const coverage = blockchain.coverage(contract);
 * console.log(coverage.summary());
 * await fs.writeFile("report.html", coverage.report("html"));
 */
export declare class Coverage {
    readonly data: CoverageData;
    /**
     * Creates a coverage object with the specified data.
     *
     * @param data Coverage data containing code cell and line information
     *
     * Likely you don't need to create this object manually.
     * Use {@link Blockchain.coverage} instead.
     */
    constructor(data: CoverageData);
    /**
     * Creates a coverage object from a JSON string.
     *
     * @param data JSON string containing serialized coverage data
     * @returns Coverage object
     *
     * @example
     * const savedCoverageJson = await fs.readFile("coverage.json", "utf-8");
     * const coverage = Coverage.fromJson(savedCoverageJson);
     */
    static fromJson(data: string): Coverage;
    /**
     * Exports coverage to JSON format.
     *
     * @returns JSON string representation of coverage data
     *
     * @example
     * const coverageJson = coverage.toJson();
     * await fs.writeFile("coverage.json", coverageJson);
     */
    toJson(): string;
    /**
     * Generates a coverage report in the specified format.
     *
     * @param format Report format - "text" for console output or "html" for web viewing
     * @returns String containing the formatted report
     * @throws Error if unsupported format is provided
     *
     * @example
     * // Generate HTML report
     * const htmlReport = coverage.report("html");
     * await fs.writeFile("coverage.html", htmlReport);
     *
     * // Generate text report
     * const textReport = coverage.report("text");
     * console.log(textReport);
     */
    report(format: "text" | "html"): string;
    /**
     * Returns summary information about coverage including percentages and statistics.
     *
     * @returns Coverage summary with line counts, percentages, gas consumption and instruction statistics
     *
     * @example
     * const summary = coverage.summary();
     * console.log(`Coverage: ${summary.coveragePercentage.toFixed(2)}%`);
     * console.log(`Covered lines: ${summary.coveredLines}/${summary.totalLines}`);
     */
    summary(): CoverageSummary;
    /**
     * Merges current coverage with other coverage objects.
     * Useful for combining coverage data from multiple test runs.
     *
     * @param other Array of coverage objects to merge with current coverage
     * @returns New Coverage object containing merged data from all inputs
     *
     * @example
     * // Merge coverage from multiple test runs
     * const coverage1 = blockchain.coverage(contract);
     * // ... reset and run more tests
     * const coverage2 = blockchain.coverage(contract);
     * const totalCoverage = coverage1.mergeWith(coverage2);
     * console.log(`Total coverage: ${totalCoverage.summary().coveragePercentage}%`);
     */
    mergeWith(...other: Coverage[]): Coverage;
}