onCodePathSegmentStart(segment) {
				funcInfo.currentSegments.add(segment);

				if (!isInConstructorOfDerivedClass()) {
					return;
				}

				// Initialize info.
				segInfoMap[segment.id] = {
					superCalled:
						segment.prevSegments.length > 0 &&
						segment.prevSegments.every(isCalled),
					invalidNodes: [],
				};
			}
Initialize information of a given code path segment.
@param {CodePathSegment} segment A code path segment to initialize.
@returns {void}