return Iterators.contains(keyIterator(map.entrySet().iterator()), key);
  }

  /** An implementation of {@link Map#containsValue}. */
  static boolean containsValueImpl(Map<?, ?> map, @CheckForNull Object value) {
    return Iterators.contains(valueIterator(map.entrySet().iterator()), value);
  }

  /**
   * Implements {@code Collection.contains} safely for forwarding collections of map entries. If

org/codehaus/plexus/util/FastMap$EntrySet.class package org.codehaus.plexus.util; synchronized class FastMap$EntrySet extends java.util.AbstractSet { private void FastMap$EntrySet(FastMap); public java.util.Iterator iterator(); public int size(); public boolean contains(Object); public boolean remove(Object); } org/codehaus/plexus/util/FastMap$KeySet$1.class package org.codehaus.plexus.util; synchronized class FastMap$KeySet$1 implements java.util.Iterator { FastMap$EntryImpl after; FastMap$EntryImpl before; void...

	testCases := []struct {
		bucketName        string
		copySourceHeader  string // data for "X-Amz-Copy-Source" header. Contains the object to be copied in the URL.
		copySourceRange   string // data for "X-Amz-Copy-Source-Range" header, contains the byte range offsets of data to be copied.
		uploadID          string // uploadID of the transaction.
		invalidPartNumber bool   // Sets an invalid multipart.