return hex.EncodeToString(hh.Sum(nil))
}

// LogAlwaysIf prints a detailed error message during
// the execution of the server.
func LogAlwaysIf(ctx context.Context, subsystem string, err error, errKind ...interface{}) {
	if err == nil {
		return
	}
	logIf(ctx, subsystem, err, errKind...)
}

// LogIf prints a detailed error message during
// the execution of the server, if it is not an
// ignored error.

  // `conditions` is a list of the current states of FlowSchema.
  // +listType=map
  // +listMapKey=type
  // +optional
  repeated FlowSchemaCondition conditions = 1;
}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.

  // +listType=map
  // +listMapKey=type
  // +patchMergeKey=type
  // +patchStrategy=merge
  // +optional
  repeated FlowSchemaCondition conditions = 1;
}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.

  // `conditions` is a list of the current states of FlowSchema.
  // +listType=map
  // +listMapKey=type
  // +optional
  repeated FlowSchemaCondition conditions = 1;
}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.

  // `conditions` is a list of the current states of FlowSchema.
  // +listType=map
  // +listMapKey=type
  // +optional
  repeated FlowSchemaCondition conditions = 1;
}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.

import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link RangeMap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * @author Louis Wasserman
 * @since 14.0
 */
@GwtIncompatible // NavigableMap
@ElementTypesAreNonnullByDefault

import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link RangeMap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * @author Louis Wasserman
 * @since 14.0
 */
@GwtIncompatible // NavigableMap
@ElementTypesAreNonnullByDefault

import java.util.stream.Collector;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Table} whose contents will never change, with many other important properties detailed
 * at {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained">immutable collections</a>.
 *
 * @author Gregory Kick

import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Collection} whose contents will never change, and which offers a few additional
 * guarantees detailed below.
 *
 * <p><b>Warning:</b> avoid <i>direct</i> usage of {@link ImmutableCollection} as a type (just as
 * with {@link Collection} itself). Prefer subtypes such as {@link ImmutableSet} or {@link

import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link ListMultimap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained">immutable collections</a>.
 *
 * @author Jared Levy