src/vs/workbench/api/common/extHostTypes.ts/FileCoverage/constructor
class FileCoverage:	constructor(
		public readonly uri: vscode.Uri,
		public statementCoverage: vscode.CoveredCount,
		public branchCoverage?: vscode.CoveredCount,
		public functionCoverage?: vscode.CoveredCount,
	) { }