21   Source,
33      * // source ts code:
78     let source: Source;  variable
82       source = new Source('example.js', 'console.log("Hello, World!");');
96       const sourceMapLink = new SourceMapLink(mappings, [source]);
132     it('segment.length === 1 && source == true', function () {
133       let source: Source = new Source('filename1', 'content1');  variable
139       const sourceMapLink = new SourceMapLink(mappings, [source]);
144     it('segment.length !== 1 && source == true', function () {
145       let source: Source = new Source('filename2', 'content2');  variable
153       const sourceMapLink = new SourceMapLink(mappings, [source]);
158     it('segment.length === 1 && source == false', function () {
159       const source = new Source('example.js', 'console.log("Hello, World!");');  constant
170       const sourceMapLink = new SourceMapLink(mappings, [source]);
175     it('segment.length !== 1 && source == false', function () {
176       const source = new Source('example.js', 'console.log("Hello, World!");');  constant
187       const sourceMapLink = new SourceMapLink(mappings, [source]);
194     let source: Source = new Source('', null);  variable
200     const sourceMapLink = new SourceMapLink(mappings, [source]);
207         source: new Source('filename', 'content1')
221         source: new Source('filename', 'content2')
236         source: new Source('filename', 'content3')
244       }, Error, `Multiple conflicting contents for sourcemap source: filename`);
249     let source: Source = new Source('filename', '// traceSegment');  variable
258     const sourceMapLink = new SourceMapLink(mappings, [source]);
270     it('segments is true && source is false', function () {
275     it('segments is true && source is true', function () {
280       assert.strictEqual(sourceMapSegmentObj?.source.isOriginal, true);
281       assert.strictEqual(sourceMapSegmentObj?.source.filename, 'filename');
282       assert.strictEqual(sourceMapSegmentObj?.source.content, '// traceSegment');