vendor: update buildkit to master@8b7bcb900d3c

Signed-off-by: Justin Chadwell <me@jedevc.com>

vendor/go.opentelemetry.io/otel/metric/instrument/syncint64.go

@@ -0,0 +1,85 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package instrument // import "go.opentelemetry.io/otel/metric/instrument"
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+)
+
+// Int64Counter is an instrument that records increasing int64 values.
+//
+// Warning: methods may be added to this interface in minor releases.
+type Int64Counter interface {
+	// Add records a change to the counter.
+	Add(ctx context.Context, incr int64, attrs ...attribute.KeyValue)
+
+	Synchronous
+}
+
+// Int64UpDownCounter is an instrument that records increasing or decreasing
+// int64 values.
+//
+// Warning: methods may be added to this interface in minor releases.
+type Int64UpDownCounter interface {
+	// Add records a change to the counter.
+	Add(ctx context.Context, incr int64, attrs ...attribute.KeyValue)
+
+	Synchronous
+}
+
+// Int64Histogram is an instrument that records a distribution of int64
+// values.
+//
+// Warning: methods may be added to this interface in minor releases.
+type Int64Histogram interface {
+	// Record adds an additional value to the distribution.
+	Record(ctx context.Context, incr int64, attrs ...attribute.KeyValue)
+
+	Synchronous
+}
+
+// Int64Config contains options for Synchronous instruments that record int64
+// values.
+type Int64Config struct {
+	description string
+	unit        string
+}
+
+// NewInt64Config returns a new Int64Config with all opts
+// applied.
+func NewInt64Config(opts ...Int64Option) Int64Config {
+	var config Int64Config
+	for _, o := range opts {
+		config = o.applyInt64(config)
+	}
+	return config
+}
+
+// Description returns the Config description.
+func (c Int64Config) Description() string {
+	return c.description
+}
+
+// Unit returns the Config unit.
+func (c Int64Config) Unit() string {
+	return c.unit
+}
+
+// Int64Option applies options to synchronous int64 instruments.
+type Int64Option interface {
+	applyInt64(Int64Config) Int64Config
+}