test_class.declarator: calculator = new Calculator()
test_class.modifier: private
test_class.original_string: private Calculator calculator = new Calculator();
test_class.type: Calculator
test_class.var_name: calculator
test_class.file: Chapter08/sample1/src/test/java/com/leszko/calculator/CalculatorTest.java
test_class.identifier: CalculatorTest
test_case.body: @Test
       public void testSum() {
            assertEquals(5, calculator.sum(2, 3));
       }
test_case.class_method_signature: CalculatorTest.testSum()
test_case.full_signature: @Test public void testSum()
test_case.identifier: testSum
test_case.invocations: assertEquals sum
test_case.modifiers: @Test public
test_case.parameters: ()
test_case.return: void
test_case.signature: void testSum()
focal_class.file: Chapter08/sample1/src/main/java/com/leszko/calculator/Calculator.java
focal_class.identifier: Calculator
focal_class.class_method_signature: Calculator.sum(int a, int b)
focal_class.full_signature: @Cacheable("sum") public int sum(int a, int b)
focal_class.identifier: sum
focal_class.modifiers: @Cacheable("sum") public
focal_class.parameters: (int a, int b)
focal_class.return: int
focal_class.signature: int sum(int a, int b)
focal_method.body: @Cacheable("sum")
  	public int sum(int a, int b) {
  		return a + b;
  	}
focal_method.class_method_signature: Calculator.sum(int a, int b)
focal_method.full_signature: @Cacheable("sum") public int sum(int a, int b)
focal_method.identifier: sum
focal_method.modifiers: @Cacheable("sum") public
focal_method.parameters: (int a, int b)
focal_method.return: int
focal_method.signature: int sum(int a, int b)