Its value will be dependent on the following conditions
if property P is present in InjectedProps and its definition extends the definition
in DecorationTargetProps, then its definition will be that of DecorationTargetProps[P]
if property P is not present in InjectedProps then its definition will be that of
DecorationTargetProps[P]
if property P is present in InjectedProps but does not extend the
DecorationTargetProps[P] definition, its definition will be that of InjectedProps[P]
A property P will be present if:
Its value will be dependent on the following conditions