The document primarily consists of C++ code snippets defining various classes and methods, including details about class inheritance and method overrides. It features implementations from upstream and has specific interfaces such as 'imanager' along with multiple method variations for handling objects. The code also showcases default parameters and conditional statements within the methods.

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7. ✓ ✓ ✓

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30. #ifndef UPSTREAM_HEADER_H_
#define UPSTREAM_HEADER_H _
…
class SomeClass{
… Some upstream implementation
}
#endif

31. #ifndef UPSTREAM_HEADER_H_
#define UPSTREAM_HEADER_H _
#include “yandex/new_header.h”
#if 0
…
class SomeClass{
… Some upstream implementation
}
#endif
#endif

32. #ifndef YANDEX_NEW_HEADER_H_
#define YANDEX_NEW_HEADER_H _
…
class SomeClass{
… Some implementation from Yandex
}
#endif

33. │

34. class Foo {
void doSomething() {
// doing stuff
// ...
// still doing
// lots of upstream code
}
}

35. class StuffDoer {
void doStuff() {
// doing stuff
// ...
// still doing
}
}

36. class Foo {
StuffDoer mDoer;
void doSomething() {
mDoer.doStuff();
// lots of upstream code
}
}

38. class SomeManager {
void methodOne() {
…
}
void methodTwo() {
…
}
}

39. interface IManager {
void methodOne();
void methodTwo();
}

40. class SomeManager implements IManager {
void methodOne() {
…
}
void methodTwo() {
…
}
}

41. class YandexManager implements IManager {
void methodOne() {
…
}
void methodTwo() {
…
}
}

42. class SomeManager {
void originalMethod(Foo foo) {
…
}
}

43. class SomeManager {
void originalMethod(Foo foo, Bar bar) {
// original stuff
// stuff with Bar
}
}

44. class SomeManager {
void originalMethod(Foo foo, Bar bar) {
// original stuff
// stuff with Bar
}
void originalMethod(Foo foo) {
originalMethod(foo, SOME_DEFAULT_BAR);
}
}

45. class Base {
void originalMethod(Foo foo) {
…
}
}
class YandexDerived extends Base {
void originalMethod(Foo foo, Bar bar) {
…
}
}

46. class Base {
void originalMethod(Foo foo, Bar bar) {
…
}
}
class YandexDerived extends Base {
void originalMethod(Foo foo, Bar bar) {
…
}
}

47. class Base {
void originalMethodForked(Foo foo, Bar bar) {
originalMethod(foo)
}
void originalMethod(Foo foo) {
…
}
}
class YandexDerived extends Base {
void originalMethodForked(Foo foo, Bar bar)

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if (i > 0) {
if (i != 0) {
…
}
}

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