Move using below #include to make preamble happy textDocument/references: if no references, first line or last line => list where this file is included malloc_trim() only if files have been indexed in last cycle Intern: use CachedHashStringRef
kind:2 => member functions kind:3 => nested classes / namespace members
bool flat = false; -> bool hierarchy = false; (set it to true to enable hierarchical view) Delete $ccls/callers (which is what $ccls/call does now)
