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// Copyright 2017 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.packages;
import com.google.devtools.build.docgen.annot.DocCategory;
import net.starlark.java.annot.StarlarkBuiltin;
import net.starlark.java.eval.StarlarkCallable;
/** Interface for a native or Starlark rule function. */
@StarlarkBuiltin(
name = "rule",
category = DocCategory.BUILTIN,
doc =
"A callable value representing the type of a native or Starlark rule. Calling the value"
+ " during evaluation of a package's BUILD file creates an instance of the rule and"
+ " adds it to the package's target set. For more information, visit this page about"
+ "<a href ='https://bazel.build/extending/rules'>Rules</a>.")
public interface RuleFunction extends StarlarkCallable {
RuleClass getRuleClass();
}