Make initialization of list cell renderer lazy.
IDEA-79445 maven: add navigation between plugin and pluginManagement
[r=Peter.Gromov] ensure parameter info updated on any caret position / document change (IDEA-99274)
[r=Peter.Gromov] tolerate null key for get and containsKey
remove unnecessary class
IDEA-98323 DOM-Model: Duplicate Variants for NamedEnum Types