From f35fc5c5a0953151e13d691d6c315478de7b9e5c Mon Sep 17 00:00:00 2001
From: Paulo Dias <paulodias.gm@gmail.com>
Date: Wed, 25 Mar 2026 21:01:35 +0100
Subject: [PATCH] [chore][pkg/stanza] Remove deprecated NilField type from
 entry package

Signed-off-by: Paulo Dias <paulodias.gm@gmail.com>
---
 pkg/stanza/entry/nil_field.go      | 36 ---------------------------
 pkg/stanza/entry/nil_field_test.go | 40 ------------------------------
 2 files changed, 76 deletions(-)
 delete mode 100644 pkg/stanza/entry/nil_field.go
 delete mode 100644 pkg/stanza/entry/nil_field_test.go

diff --git a/pkg/stanza/entry/nil_field.go b/pkg/stanza/entry/nil_field.go
deleted file mode 100644
index 39ce10648f1f..000000000000
--- a/pkg/stanza/entry/nil_field.go
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright The OpenTelemetry Authors
-// SPDX-License-Identifier: Apache-2.0
-
-package entry // import "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/entry"
-
-// NilField is a struct that implements Field, but
-// does nothing for all its operations. It is useful
-// as a default no-op field to avoid nil checks.
-//
-// Deprecated: Originally used for empty Field comparisons,
-// use Field.IsEmpty instead.
-type NilField struct{}
-
-// Get will return always return nil
-func (NilField) Get(*Entry) (any, bool) {
-	return nil, true
-}
-
-// Set will do nothing and return no error
-func (NilField) Set(*Entry, any) error {
-	return nil
-}
-
-// Delete will do nothing and return no error
-func (NilField) Delete(*Entry) (any, bool) {
-	return nil, true
-}
-
-func (NilField) String() string {
-	return "$nil"
-}
-
-// NewNilField will create a new nil field
-func NewNilField() Field {
-	return Field{FieldInterface: NilField{}}
-}
diff --git a/pkg/stanza/entry/nil_field_test.go b/pkg/stanza/entry/nil_field_test.go
deleted file mode 100644
index 1193b9d3410f..000000000000
--- a/pkg/stanza/entry/nil_field_test.go
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright The OpenTelemetry Authors
-// SPDX-License-Identifier: Apache-2.0
-
-package entry
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/require"
-)
-
-func TestNilFieldGet(t *testing.T) {
-	entry := &Entry{}
-	nilField := NewNilField()
-	value, ok := nilField.Get(entry)
-	require.True(t, ok)
-	require.Nil(t, value)
-}
-
-func TestNilFieldSet(t *testing.T) {
-	entry := &Entry{}
-	nilField := NewNilField()
-	err := nilField.Set(entry, "value")
-	require.NoError(t, err)
-	require.Equal(t, Entry{}, *entry)
-}
-
-func TestNilFieldDelete(t *testing.T) {
-	entry := &Entry{}
-	nilField := NewNilField()
-	value, ok := nilField.Delete(entry)
-	require.True(t, ok)
-	require.Nil(t, value)
-	require.Equal(t, Entry{}, *entry)
-}
-
-func TestNilFieldString(t *testing.T) {
-	nilField := NewNilField()
-	require.Equal(t, "$nil", nilField.String())
-}