true if the addition caused a change, i.e. if the identifier was not already present in the set of identifiers, false otherwise.
the form used to mark language overrides in preference files, e.g. [typescript]
an OverridePreferenceName if the name contains a language override, e.g. [typescript].editor.tabSize.
the flat JSON path to an overridden preference, e.g. [typescript].editor.tabSize.
true if the deletion caused a change, i.e. if the identifier was present in the set, false otherwise.
the language id associated for a language override, e.g.
typescript