@Test public void rootEnvironmentShouldBeThereInitially() { Assert.assertNotNull( "Didn't find root environment. Context is NOT supposed to be empty initially", context.peek() ); }
public Environment peek() { return environment; }
SemanticContext { public Environment peek() { return environment; } }
SemanticContext { public Environment peek() { return environment; }  }
SemanticContext { public Environment peek() { return environment; }  void push(); Environment peek(); Environment pop(); }
SemanticContext { public Environment peek() { return environment; }  void push(); Environment peek(); Environment pop();  }