<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [CSSCoverage](./puppeteer.csscoverage.md) > [\_stylesheetSources](./puppeteer.csscoverage._stylesheetsources.md) ## CSSCoverage.\_stylesheetSources property <b>Signature:</b> ```typescript _stylesheetSources: Map<string, string>; ```