build

Made the hardcoded completion field limit configurable #4824

Job	Run time
compile (macos-latest, darwin, darwin-x64)	1m 53s
compile (ubuntu-24.04-arm, linux, linux-arm64)	2m 32s
compile (macos-latest, darwin, darwin-arm64)	2m 31s
compile (windows-latest, windows, win32-x64)	3m 31s
compile (windows-latest, windows, win32-ia32)	3m 39s
compile (ubuntu-22.04, linux, linux-x64)	3m 12s
	17m 18s

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