Constant SPINEL_PROP_PROTOCOL_VERSION 

pub const SPINEL_PROP_PROTOCOL_VERSION: _bindgen_ty_24 = 1;

Protocol Version ** Format: ii - Read-only *

• Describes the protocol version information. This property contains
• two fields, each encoded as a packed unsigned integer:
• i: Major Version Number
• i: Minor Version Number
• The version number is defined by SPINEL_PROTOCOL_VERSION_THREAD_MAJOR
• and SPINEL_PROTOCOL_VERSION_THREAD_MINOR.
• This specification describes major version 4, minor version 3. */