There's no build time dependency from @angular/core to @angular/compiler, so core can't directly refer to compiler types. To overcome this limitation, there's a facade layer defined in the compiler and duplicated in core, such that during runtime all types will correctly align. There's a testcase in the compiler that verifies that all such facade types are compatible across core and compiler, such that the core types can't get misaligned with the actual definitions in the compiler. This suite of tests were missing the `R3BaseMetadataFacade` facade type, so it was possible for this type to get out of sync. PR Close #31210
build: rules_nodejs 0.26.0 & use @npm instead of @ngdeps now that downstream angular build uses angular bundles (#28871)
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