Import CoreExtension as a module #696

Job	Run time
pod-lib-lint (ios, macos-14)	6m 33s
spm-package-resolved	58s
spm-integration (iOS, macos-14)	7m 41s
spm-unit (macos-13, Xcode_15.2, iOS)	6m 13s
testapp-integration (iOS, macos-15)	3m 12s
spm-unit (macos-14, Xcode_15.4, iOS)	8m 7s
sample (macos-13, Xcode_15.2)	2m 44s
spm-unit (macos-15, Xcode_16, iOS)	1m 51s
sample (macos-14, Xcode_15.4)	2m 59s
spm-unit (macos-15, Xcode_16, tvOS)	1m 41s
sample (macos-15, Xcode_16)	1m 44s
spm-unit (macos-15, Xcode_16, macOS)	1m 38s
spm-unit (macos-15, Xcode_16, watchOS)	1m 55s
spm-unit (macos-15, Xcode_16, catalyst)	1m 39s
spm-unit (macos-15, Xcode_16, visionOS)	2m 1s
	50m 56s

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