This inheritance list is sorted roughly, but not completely, alphabetically:

CQuasar::Application	The application: it creates the window, owns the layers and runs the main loop
CQuasar::ApplicationSpecification	Settings used to create the application
Cspdlog::sinks::base_sink
CQuasar::MemoryLogSink	Log sink that keeps the most recent messages in memory, so that the console can display them
CQuasar::Event	Base class of all events
CQuasar::EventOf< EventType::KeyPressed, EventCategory::Input\|EventCategory::Keyboard >
CQuasar::KeyPressedEvent	Sent when a key is pressed, and again at regular intervals while it is held down
CQuasar::EventOf< EventType::KeyReleased, EventCategory::Input\|EventCategory::Keyboard >
CQuasar::KeyReleasedEvent	Sent when a key is released
CQuasar::EventOf< EventType::KeyTyped, EventCategory::Input\|EventCategory::Keyboard >
CQuasar::KeyTypedEvent	Sent when the user types a character, for text input
CQuasar::EventOf< EventType::MouseButtonPressed, EventCategory::Input\|EventCategory::Mouse >
CQuasar::MouseButtonPressedEvent	Sent when a mouse button is pressed
CQuasar::EventOf< EventType::MouseButtonReleased, EventCategory::Input\|EventCategory::Mouse >
CQuasar::MouseButtonReleasedEvent	Sent when a mouse button is released
CQuasar::EventOf< EventType::MouseMoved, EventCategory::Input\|EventCategory::Mouse >
CQuasar::MouseMovedEvent	Sent when the cursor moves over the window
CQuasar::EventOf< EventType::MouseScrolled, EventCategory::Input\|EventCategory::Mouse >
CQuasar::MouseScrolledEvent	Sent when the mouse wheel or the touchpad scrolls
CQuasar::EventOf< EventType::WindowClose, EventCategory::Window >
CQuasar::WindowCloseEvent	Sent when the user asks to close the window, for example with the close button
CQuasar::EventOf< EventType::WindowFocus, EventCategory::Window >
CQuasar::WindowFocusEvent	Sent when the window gains or loses the keyboard focus
CQuasar::EventOf< EventType::WindowMinimize, EventCategory::Window >
CQuasar::WindowMinimizeEvent	Sent when the window is minimized, or restored after being minimized
CQuasar::EventOf< EventType::WindowResize, EventCategory::Window >
CQuasar::WindowResizeEvent	Sent when the size of the drawing area of the window changes
CQuasar::EventOf< Type, Categories >	Base class of each event class, which gives the event its type and its categories
CQuasar::EventDispatcher	Calls a handler only when an event has the type that the handler expects
CQuasar::Layer	Part of an application that is updated, rendered and receives events
CQuasar::ImGuiLayer	Overlay that starts Dear ImGui with its GLFW and OpenGL backends, and wraps each frame
CQuasar::LayerStack	Owns the layers of an application and keeps them in order, from the bottom to the top
CQuasar::Log	The loggers for the engine and the application
CQuasar::LogMessage	A log message kept by MemoryLogSink
CQuasar::PlatformDetection	Tells at compile time which platform and build type the engine is built for
CQuasar::ScopedTimer	Measures the time between its creation and the end of its scope, then logs it as an engine info message
CQuasar::Timer	High-resolution (steady) timer that measures the time elapsed since it was created or last reset
CQuasar::Timestep	Time elapsed between two frames, in seconds
CQuasar::UUID	Permanent identifier for entities, assets and any object that must keep the same identity across sessions
CQuasar::Window	Application window
CQuasar::WindowSpecification	Settings used to create a window