if !compareSignatureV2(signature, calculateSignatureV2(policy, cred.SecretKey)) {
		return cred, ErrSignatureDoesNotMatch
	}
	return cred, ErrNone
}

// Escape encodedQuery string into unescaped list of query params, returns error
// if any while unescaping the values.
func unescapeQueries(encodedQuery string) (unescapedQueries []string, err error) {
	for query := range strings.SplitSeq(encodedQuery, "&") {

        // Test that MIME type patterns work correctly as regex
        // This verifies the fix for SVG thumbnail generation issue
        // where image/svg+xml was not matching due to unescaped + character

        // SVG MIME type - the + must be escaped in regex
        String svgMimetype = "image/svg+xml";
        String svgPatternWrong = "image/svg+xml"; // Wrong: + means "one or more" in regex

 * limitations under the License.
 */

package com.google.common.escape;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ImmutableMap;
import com.google.common.escape.testing.EscaperAsserts;
import java.io.IOException;
import junit.framework.TestCase;

    // Simple examples (smoke tests)
    assertThat(xmlEscaper.escape("xxx")).isEqualTo("xxx");
    assertThat(xmlEscaper.escape("test & test & test")).isEqualTo("test & test & test");
    assertThat(xmlEscaper.escape("test << 1")).isEqualTo("test &lt;&lt; 1");
    assertThat(xmlEscaper.escape("test >> 1")).isEqualTo("test &gt;&gt; 1");
    assertThat(xmlEscaper.escape("<tab>")).isEqualTo("&lt;tab&gt;");

 * limitations under the License.
 */

package com.google.common.escape.testing;

import static com.google.common.escape.Escapers.computeReplacement;

import com.google.common.annotations.GwtCompatible;
import com.google.common.escape.CharEscaper;
import com.google.common.escape.Escaper;
import com.google.common.escape.UnicodeEscaper;
import java.io.IOException;
import junit.framework.Assert;

/**

 * limitations under the License.
 */

package com.google.common.escape.testing;

import static com.google.common.escape.Escapers.computeReplacement;

import com.google.common.annotations.GwtCompatible;
import com.google.common.escape.CharEscaper;
import com.google.common.escape.Escaper;
import com.google.common.escape.UnicodeEscaper;
import java.io.IOException;
import junit.framework.Assert;

/**

 * limitations under the License.
 */

package com.google.common.escape;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ImmutableMap;
import com.google.common.escape.testing.EscaperAsserts;
import java.io.IOException;
import junit.framework.TestCase;

    // Simple examples (smoke tests)
    assertThat(xmlEscaper.escape("xxx")).isEqualTo("xxx");
    assertThat(xmlEscaper.escape("test & test & test")).isEqualTo("test & test & test");
    assertThat(xmlEscaper.escape("test << 1")).isEqualTo("test &lt;&lt; 1");
    assertThat(xmlEscaper.escape("test >> 1")).isEqualTo("test &gt;&gt; 1");
    assertThat(xmlEscaper.escape("<tab>")).isEqualTo("&lt;tab&gt;");

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.escape;

import static com.google.common.escape.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.annotations.GwtCompatible;
import junit.framework.TestCase;

   * not throw any exceptions.
   *
   * @param c the character to escape if necessary
   * @return the replacement characters, or {@code null} if no escaping was needed
   */
  protected abstract char @Nullable [] escape(char c);

  /**
   * Returns the escaped form of a given literal string, starting at the given index. This method is
   * called by the {@link #escape(String)} method when it discovers that escaping is required. It is