Function addIfImplementation

test/fixtures/snapshot/typescript.js:138483–138486

(e)

                    }
                }
                function addIfImplementation(e) {
                    if (isImplementationExpression(e))
                        addReference(e);
                }
            }
            function getContainingClassIfInHeritageClause(node) {
                return ts.isIdentifier(node) || ts.isPropertyAccessExpression(node) ? getContainingClassIfInHeritageClause(node.parent)