Update

vendor/github.com/go-json-experiment/json/internal/jsonflags/flags.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !goexperiment.jsonv2 || !go1.25
+
 // jsonflags implements all the optional boolean flags.
 // These flags are shared across both "json", "jsontext", and "jsonopts".
 package jsonflags
@@ -50,18 +52,20 @@ const (
 		AllowInvalidUTF8 |
 		EscapeForHTML |
 		EscapeForJS |
-		EscapeInvalidUTF8 |
 		PreserveRawStrings |
 		Deterministic |
 		FormatNilMapAsNull |
 		FormatNilSliceAsNull |
 		MatchCaseInsensitiveNames |
 		CallMethodsWithLegacySemantics |
+		FormatByteArrayAsArray |
 		FormatBytesWithLegacySemantics |
-		FormatTimeWithLegacySemantics |
+		FormatDurationAsNano |
 		MatchCaseSensitiveDelimiter |
 		MergeWithLegacySemantics |
-		OmitEmptyWithLegacyDefinition |
+		OmitEmptyWithLegacySemantics |
+		ParseBytesWithLooseRFC4648 |
+		ParseTimeWithLooseRFC3339 |
 		ReportErrorsWithLegacySemantics |
 		StringifyWithLegacySemantics |
 		UnmarshalArrayFromAnyLength
@@ -75,7 +79,7 @@ const (
 	WhitespaceFlags = AnyWhitespace | Indent | IndentPrefix
 
 	// AnyEscape is the set of flags related to escaping in a JSON string.
-	AnyEscape = EscapeForHTML | EscapeForJS | EscapeInvalidUTF8
+	AnyEscape = EscapeForHTML | EscapeForJS
 
 	// CanonicalizeNumbers is the set of flags related to raw number canonicalization.
 	CanonicalizeNumbers = CanonicalizeRawInts | CanonicalizeRawFloats
@@ -95,7 +99,6 @@ const (
 	ReorderRawObjects     // encode only
 	EscapeForHTML         // encode only
 	EscapeForJS           // encode only
-	EscapeInvalidUTF8     // encode only; only exposed in v1
 	Multiline             // encode only
 	SpaceAfterColon       // encode only
 	SpaceAfterComma       // encode only
@@ -130,11 +133,14 @@ const (
 	_ Bools = (maxArshalV2Flag >> 1) << iota
 
 	CallMethodsWithLegacySemantics  // marshal or unmarshal
+	FormatByteArrayAsArray          // marshal or unmarshal
 	FormatBytesWithLegacySemantics  // marshal or unmarshal
-	FormatTimeWithLegacySemantics   // marshal or unmarshal
+	FormatDurationAsNano            // marshal or unmarshal
 	MatchCaseSensitiveDelimiter     // marshal or unmarshal
 	MergeWithLegacySemantics        // unmarshal
-	OmitEmptyWithLegacyDefinition   // marshal
+	OmitEmptyWithLegacySemantics    // marshal
+	ParseBytesWithLooseRFC4648      // unmarshal
+	ParseTimeWithLooseRFC3339       // unmarshal
 	ReportErrorsWithLegacySemantics // marshal or unmarshal
 	StringifyWithLegacySemantics    // marshal or unmarshal
 	StringifyBoolsAndStrings        // marshal or unmarshal; for internal use by jsonv2.makeStructArshaler
@@ -144,6 +150,12 @@ const (
 	maxArshalV1Flag
 )
 
+// bitsUsed is the number of bits used in the 64-bit boolean flags
+const bitsUsed = 42
+
+// Static compile check that bitsUsed and maxArshalV1Flag are in sync.
+const _ = uint64((1<<bitsUsed)-maxArshalV1Flag) + uint64(maxArshalV1Flag-(1<<bitsUsed))
+
 // Flags is a set of boolean flags.
 // If the presence bit is zero, then the value bit must also be zero.
 // The least-significant bit of both fields is always zero.