\brief Returns `true` if the map is empty.

\brief Returns the pointer to memory safe to read and write (respecting the CurrentProtection() level) during the in-process crash handler.

\brief The range’s size.

\return Whether this object is managing a valid memory-mapped region.

\return The module handle being managed.

\brief The range’s base.

These mirror the non-Fuchsia ScopedLockedFileHandle via ScopedGeneric so that calling code can pretend this implementation is the same.

\brief Returns `true` if the the object’s state is #kStateValid and it has been fully initialized and may be used.

\brief The range’s end (its base plus its size).

\brief Initializes an x87 register to a known bit pattern. This behaves as SetX87Register() but also clears the reserved portion of the field as used

\brief Stores \a value into \a key, replacing the existing value if \a key is already present. If \a key is not yet in the map and the map is already

\brief Returns the size of the memory-mapped region. This is the value originally passed to ResetAddrLen() or ResetMmap(), or after Reset(), `0`. It

\brief Returns the base address of the memory-mapped region.

\brief Given \a key, returns its corresponding value. \param[in] key The key to look up. This must not be `nullptr`, nor an empty string. It must not

\brief Returns a pointer to the data requested by the user. This is the value of the \a vm_address + \a user_offset parameters passed to the construc

\brief Returns the number of active entries. The upper limit for this is \a NumEntries.

This method implements a server similar to 10.9.4 xnu-2422.110.17/libsyscall/mach/mach_msg.c mach_msg_server_once(). The server callback function and