From d16ccbe1ecc948016f1e053e60563974632930df Mon Sep 17 00:00:00 2001
From: tomlu <tomlu@google.com>
Date: Thu, 9 Nov 2017 02:36:34 +0100
Subject: Delete unused preconditions library.

PiperOrigin-RevId: 175092923
---
 src/main/java/com/google/devtools/build/lib/BUILD  |  11 -
 .../devtools/build/lib/util/Preconditions.java     | 494 ---------------------
 2 files changed, 505 deletions(-)
 delete mode 100644 src/main/java/com/google/devtools/build/lib/util/Preconditions.java

diff --git a/src/main/java/com/google/devtools/build/lib/BUILD b/src/main/java/com/google/devtools/build/lib/BUILD
index 8e74aa577b..aae1f63f2f 100644
--- a/src/main/java/com/google/devtools/build/lib/BUILD
+++ b/src/main/java/com/google/devtools/build/lib/BUILD
@@ -104,16 +104,6 @@ java_library(
     ],
 )
 
-# Varargs-avoiding overloads of Preconditions functions.
-java_library(
-    name = "preconditions",
-    srcs = ["util/Preconditions.java"],
-    deps = [
-        "//third_party:guava",
-        "//third_party:jsr305",
-    ],
-)
-
 # I/O utilities.
 java_library(
     name = "io",
@@ -171,7 +161,6 @@ java_library(
             "util/ExitCode.java",
             "util/JavaClock.java",
             "util/OS.java",
-            "util/Preconditions.java",
             "util/ProcessUtils.java",
             "util/SingleLineFormatter.java",
             "util/StringCanonicalizer.java",
diff --git a/src/main/java/com/google/devtools/build/lib/util/Preconditions.java b/src/main/java/com/google/devtools/build/lib/util/Preconditions.java
deleted file mode 100644
index 503cd0f6b3..0000000000
--- a/src/main/java/com/google/devtools/build/lib/util/Preconditions.java
+++ /dev/null
@@ -1,494 +0,0 @@
-// Copyright 2015 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.util;
-
-import javax.annotation.Nullable;
-
-/**
- * Like {@link com.google.common.base.Preconditions}, but with overloads that avoid varargs-based
- * array creation in {@link #checkArgument}, {@link #checkState}, and {@link #checkNotNull} for
- * calls that list up to seven error message arguments when {@code expression} is {@code true} (or
- * {@code reference} is non-{@code null}).
- *
- * <p>Throughout this file, functions delegate to {@link com.google.common.base.Preconditions}
- * methods of the same name for the purpose of readability and obvious semantics.
- */
-public final class Preconditions {
-  private Preconditions() {}
-
-  /** See {@link com.google.common.base.Preconditions#checkArgument(boolean)}. */
-  public static void checkArgument(boolean expression) {
-    com.google.common.base.Preconditions.checkArgument(expression);
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkArgument(boolean, Object)}. */
-  public static void checkArgument(boolean expression, @Nullable Object errorMessage) {
-    com.google.common.base.Preconditions.checkArgument(expression, errorMessage);
-  }
-
-  /**
-   * See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object... errorMessageArgs) {
-      com.google.common.base.Preconditions.checkArgument(
-          expression, errorMessageTemplate, errorMessageArgs);
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression, @Nullable String errorMessageTemplate, @Nullable Object arg0) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(false, errorMessageTemplate, arg0);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding autoboxing in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression, @Nullable String errorMessageTemplate, int arg0) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(false, errorMessageTemplate, arg0);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(false, errorMessageTemplate, arg0, arg1);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(
-          false, errorMessageTemplate, arg0, arg1, arg2);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4,
-      @Nullable Object arg5) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4, arg5);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkArgument(boolean, String, Object...)}.
-   */
-  public static void checkArgument(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4,
-      @Nullable Object arg5,
-      @Nullable Object arg6) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkArgument(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4, arg5, arg6);
-    }
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkState(boolean)}. */
-  public static void checkState(boolean expression) {
-    com.google.common.base.Preconditions.checkState(expression);
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkState(boolean, Object)}. */
-  public static void checkState(boolean expression, @Nullable Object errorMessage) {
-    com.google.common.base.Preconditions.checkState(expression, errorMessage);
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}. */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object... errorMessageArgs) {
-    com.google.common.base.Preconditions.checkState(
-        expression, errorMessageTemplate, errorMessageArgs);
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression, @Nullable String errorMessageTemplate, @Nullable Object arg0) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(false, errorMessageTemplate, arg0);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(false, errorMessageTemplate, arg0, arg1);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(
-          false, errorMessageTemplate, arg0, arg1, arg2);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4,
-      @Nullable Object arg5) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4, arg5);
-    }
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkState(boolean, String, Object...)}.
-   */
-  public static void checkState(
-      boolean expression,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4,
-      @Nullable Object arg5,
-      @Nullable Object arg6) {
-    if (!expression) {
-      com.google.common.base.Preconditions.checkState(
-          false, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4, arg5, arg6);
-    }
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkNotNull(Object)}. */
-  public static <T> T checkNotNull(T reference) {
-    return com.google.common.base.Preconditions.checkNotNull(reference);
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkNotNull(Object, Object)}. */
-  public static <T> T checkNotNull(T reference, @Nullable Object errorMessage) {
-    return com.google.common.base.Preconditions.checkNotNull(reference, errorMessage);
-  }
-
-  /** See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}. */
-  public static <T> T checkNotNull(
-      T reference, @Nullable String errorMessageTemplate, @Nullable Object... errorMessageArgs) {
-    return com.google.common.base.Preconditions.checkNotNull(
-        reference, errorMessageTemplate, errorMessageArgs);
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference, @Nullable String errorMessageTemplate, @Nullable Object arg0) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(null, errorMessageTemplate, arg0);
-    }
-    return reference;
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(null, errorMessageTemplate, arg0, arg1);
-    }
-    return reference;
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(
-          null, errorMessageTemplate, arg0, arg1, arg2);
-    }
-    return reference;
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(
-          null, errorMessageTemplate, arg0, arg1, arg2, arg3);
-    }
-    return reference;
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(
-          null, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4);
-    }
-    return reference;
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4,
-      @Nullable Object arg5) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(
-          null, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4, arg5);
-    }
-    return reference;
-  }
-
-  /**
-   * Conditionally forwards to the {@link com.google.common.base.Preconditions} method of the same
-   * name, avoiding varargs-based array creation in the unexceptional case.
-   *
-   * <p>See {@link com.google.common.base.Preconditions#checkNotNull(Object, String, Object...)}.
-   */
-  public static <T> T checkNotNull(
-      T reference,
-      @Nullable String errorMessageTemplate,
-      @Nullable Object arg0,
-      @Nullable Object arg1,
-      @Nullable Object arg2,
-      @Nullable Object arg3,
-      @Nullable Object arg4,
-      @Nullable Object arg5,
-      @Nullable Object arg6) {
-    if (reference == null) {
-      com.google.common.base.Preconditions.checkNotNull(
-          null, errorMessageTemplate, arg0, arg1, arg2, arg3, arg4, arg5, arg6);
-    }
-    return reference;
-  }
-}
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