OXOR:
		n := n.(*BinaryExpr)
		exprFmt(n.X, s, nprec)
		fmt.Fprintf(s, " %v ", n.Op())
		exprFmt(n.Y, s, nprec+1)

	case OANDAND,
		OOROR:
		n := n.(*LogicalExpr)
		exprFmt(n.X, s, nprec)
		fmt.Fprintf(s, " %v ", n.Op())
		exprFmt(n.Y, s, nprec+1)

	case OSEND:
		n := n.(*SendStmt)
		exprFmt(n.Chan, s, nprec)
		fmt.Fprintf(s, " <- ")
		exprFmt(n.Value, s, nprec+1)

	case OADDSTR:

	}
}

const (
	// nolint: revive, stylecheck
	FmtOpenMetrics_0_0_1 = expfmt.OpenMetricsType + `; version=` + expfmt.OpenMetricsVersion_0_0_1 + `; charset=utf-8`
	// nolint: revive, stylecheck
	FmtOpenMetrics_1_0_0 = expfmt.OpenMetricsType + `; version=` + expfmt.OpenMetricsVersion_1_0_0 + `; charset=utf-8`
	FmtText              = `text/plain; version=` + expfmt.TextVersion + `; charset=utf-8`
)

	"20: *ast.Field":      "complex value\n",
	"25: *ast.GenDecl":    "x\nx = 0\nalso associated with x\n",
	"29: *ast.FuncDecl":   "f1\nassociated with f1\nalso associated with f1\n",
	"31: *ast.ExprStmt":   " associated with s1\nalso associated with s1\n",
	"37: *ast.ExprStmt":   "associated with s2\nalso associated with s2\nline comment for s2\n",
	"45: *ast.FuncDecl":   "associated with f2\nf2\n",
	"49: *ast.AssignStmt": "addition\n",

	{"EmptyStmt", `@`},

	{"LabeledStmt", `L@:`},
	{"LabeledStmt", `L@: ;`},
	{"LabeledStmt", `L@: f()`},

	{"BlockStmt", `@{}`},

	// The position of an ExprStmt is the position of the expression.
	{"ExprStmt", `@<-ch`},
	{"ExprStmt", `f@()`},
	{"ExprStmt", `append@(s, 1, 2, 3)`},

	{"SendStmt", `ch @<- x`},

	{"DeclStmt", `@const x = 0`},
	{"DeclStmt", `@const (x = 0)`},
	{"DeclStmt", `@type T int`},

		}

		if afterParallel {
			stmts = append(stmts, stmt)
			continue
		}

		// Check if stmt is a call to t.Parallel(), for the correct t.
		exprStmt, ok := stmt.(*ast.ExprStmt)
		if !ok {
			continue
		}
		expr := exprStmt.X
		if isMethodCall(info, expr, "testing", "T", "Parallel") {
			call, _ := expr.(*ast.CallExpr)
			if call == nil {
				continue
			}

	case *syntax.DeclStmt, *syntax.EmptyStmt, *syntax.SendStmt,
		*syntax.AssignStmt, *syntax.CallStmt:
		// no chance

	case *syntax.LabeledStmt:
		return check.isTerminating(s.Stmt, s.Label.Value)

	case *syntax.ExprStmt:
		// calling the predeclared (possibly parenthesized) panic() function is terminating
		if call, ok := syntax.Unparen(s.X).(*syntax.CallExpr); ok && check.isPanic[call] {
			return true
		}

	case *syntax.ReturnStmt:

		if i := strings.LastIndexByte(s, '.'); i > 0 {
			pkgFuncs[[2]string{s[:i], s[i+1:]}] = true
		}
	}

	nodeFilter := []ast.Node{
		(*ast.ExprStmt)(nil),
	}
	inspect.Preorder(nodeFilter, func(n ast.Node) {
		call, ok := astutil.Unparen(n.(*ast.ExprStmt).X).(*ast.CallExpr)
		if !ok {
			return // not a call statement
		}

		// Call to function or method?

		*ast.IncDecStmt, *ast.AssignStmt, *ast.GoStmt, *ast.DeferStmt,
		*ast.RangeStmt:
		// no chance

	case *ast.LabeledStmt:
		return check.isTerminating(s.Stmt, s.Label.Name)

	case *ast.ExprStmt:
		// calling the predeclared (possibly parenthesized) panic() function is terminating
		if call, ok := ast.Unparen(s.X).(*ast.CallExpr); ok && check.isPanic[call] {
			return true
		}

	case *ast.ReturnStmt:

		},
		{
			name:        "plaintext accept header",
			contentType: "text/plain; version=0.0.4; charset=utf-8",
			expected:    expfmt.NewFormat(expfmt.TypeTextPlain),
		},
		{
			name:        "empty accept header",
			contentType: "",
			expected:    expfmt.NewFormat(expfmt.TypeTextPlain),
		},
	}
	for _, tt := range cases {
		t.Run(tt.name, func(t *testing.T) {

		// case *Field:
		// case *InterfaceType:
		// case *FuncType:
		// case *MapType:
		// case *ChanType:

		// statements
		// case *EmptyStmt:
		// case *LabeledStmt:
		// case *BlockStmt:
		// case *ExprStmt:
		case *SendStmt:
			m = n.Chan
		// case *DeclStmt:
		case *AssignStmt:
			m = n.Lhs
		// case *BranchStmt:
		// case *CallStmt:
		// case *ReturnStmt:
		// case *IfStmt:
		// case *ForStmt: