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k8s.io/apimachinery/pkg/util/validation/field.NotSupported

third-party

The 1691st most-called third-party function by production calls. Called 609 times across 17 modules; 376 of those run outside tests and generated code.

No change in production calls since 2026-W39.

All of k8s.io/apimachinery/pkg/util/validation/field → Docs on pkg.go.dev ↗

prod calls
376
non-test, non-generated
all calls
609
total callsites
modules
17
distinct callers
in loop
22%
of prod calls
in tests
38%
233 calls
resolved
100%
to a known target

resolution mix

How each call resolves

How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →

  • Package function14%A direct call to an exported package function, resolved by type.
  • Package function (by syntax)86%A package function in a module outside the crawl, keyed by import path.

who calls this

Notable callers

Production calls into NotSupported from notable Go projects. Open one on the map to see what else it hammers.

where it's called

Callsites in the wild

12 representative callsites of 609, prioritizing in-loop and non-test usage. We link to source, never display it.

NotSupported · 12 of 609 callsites

top callers

The modules that reach for it

The modules that call NotSupported most in this snapshot.

  • github.com/kubernetes/kubernetes29548%
  • k8s.io/kubernetes22737%
  • k8s.io/code-generator335%
  • k8s.io/apiserver132%
  • k8s.io/apimachinery102%

siblings

More from k8s.io/apimachinery/pkg/util/validation/field

The other most-called functions in this package. See all →