Map from Key ID to key metadata.
Declared in <wallet/scriptpubkeyman.h>
[[guarded_by(0x7fbc761725c8), guarded_by(0x7fbc810e9458), guarded_by(0x7fbc7d368508), guarded_by(0x7fbc965d8b38), guarded_by(0x7fbc84512c48), guarded_by(0x7fbc8da625a8)]]
std::map<CKeyID, CKeyMetadata> mapKeyMetadata;