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

[detail level 12345]

mi::base::Atom32	A 32-bit unsigned counter with atomic arithmetic, increments, and decrements
mi::base::Lock::Block	Utility class to acquire a lock that is released by the destructor
mi::base::Recursive_lock::Block	Utility class to acquire a lock that is released by the destructor
mi::base::Condition	Conditions allow threads to signal an event and to wait for such a signal, respectively
mi::base::Handle< Interface >	Handle class template for interfaces, automatizing the lifetime control via reference counting
mi::base::IInterface	The basic extensible interface
mi::base::Interface_declare< 0x4afbf19a, 0x5fb7, 0x4422, 0xae, 0x4b, 0x25, 0x13, 0x06, 0x2c, 0x30, 0x5f >
mi::base::ILogger	The ILogger interface class supports logging of messages
mi::base::Interface_declare< 0xa1836db8, 0x6f63, 0x4079, 0x82, 0x82, 0xb3, 0x5d, 0x17, 0x36, 0x96, 0xef >
mi::base::IAllocator	The IAllocator interface class supports allocating and releasing memory dynamically
mi::base::Interface_implement_singleton< IAllocator >
mi::base::Default_allocator	A default allocator implementation based on global new and delete
mi::base::Interface_declare< id1, id2, id3, id4, id5, id6, id7, id8, id9, id10, id11, I >	Mixin class template for deriving new interface declarations
mi::base::Interface_implement< I >	Mixin class template for deriving interface implementations
mi::base::Interface_implement_2< I1, I2 >	Mixin class template for deriving interface implementations from two interfaces
mi::base::Interface_implement_singleton< I >	Mixin class template for deriving singleton interface implementations, where the reference count is fixed to one
mi::base::Interface_merger< MAJOR, MINOR >	This mixin merges the implementation of one interface with a second interface
mi::base::Lock	Non-recursive lock class
mi::base::numeric_traits_base< T >	Base class for the helper class to deduce properties of numeric types defined in this API
mi::base::numeric_traits< T >	Helper class to deduce properties of numeric types defined in this API
mi::base::numeric_traits_base< Float32 >
mi::base::numeric_traits< Float32 >	Numeric traits specialization for mi::Float32
mi::base::numeric_traits_base< Float64 >
mi::base::numeric_traits< Float64 >	Numeric traits specialization for mi::Float64
mi::base::numeric_traits_base< Sint16 >
mi::base::numeric_traits< Sint16 >	Numeric traits specialization for mi::Sint16
mi::base::numeric_traits_base< Sint32 >
mi::base::numeric_traits< Sint32 >	Numeric traits specialization for mi::Sint32
mi::base::numeric_traits_base< Sint64 >
mi::base::numeric_traits< Sint64 >	Numeric traits specialization for mi::Sint64
mi::base::numeric_traits_base< Sint8 >
mi::base::numeric_traits< Sint8 >	Numeric traits specialization for mi::Sint8
mi::base::numeric_traits_base< Uint16 >
mi::base::numeric_traits< Uint16 >	Numeric traits specialization for mi::Uint16
mi::base::numeric_traits_base< Uint32 >
mi::base::numeric_traits< Uint32 >	Numeric traits specialization for mi::Uint32
mi::base::numeric_traits_base< Uint64 >
mi::base::numeric_traits< Uint64 >	Numeric traits specialization for mi::Uint64
mi::base::numeric_traits_base< Uint8 >
mi::base::numeric_traits< Uint8 >	Numeric traits specialization for mi::Uint8
mi::base::Plugin	The abstract base class for plugins
mi::base::Std_allocator< T >::rebind< T1 >	Rebind helper struct to define a new class instance of this allocator template instantiated for the new value type `T1`
mi::base::Recursive_lock	Recursive lock class
mi::base::Std_allocator< T >	An adaptor class template that implements a standard STL allocator
mi::base::Uuid	A 128 bit representation of a universally unique identifier (UUID or GUID)
mi::base::Uuid_t< id1, id2, id3, id4, id5, id6, id7, id8, id9, id10, id11 >	Class template for a compile-time representation of universally unique identifiers (UUIDs or GUIDs)