symfony/src/Symfony/Component/Form/Resources/config/validation.xml

<?xml version="1.0" ?>

<constraint-mapping xmlns="http://www.symfony-project.org/schema/dic/constraint-mapping"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.symfony-project.org/schema/dic/constraint-mapping http://www.symfony-project.org/schema/dic/services/constraint-mapping-1.0.xsd">

  <class name="Symfony\Component\Form\FieldGroup">
    <property name="fields">
      <constraint name="Valid" />
    </property>
    <getter property="boundWithExtraFields">
      <constraint name="AssertFalse">
        <option name="message">This field group should not contain extra fields</option>
      </constraint>
    </getter>
  </class>

  <class name="Symfony\Component\Form\Form">
    <getter property="data">
      <constraint name="Valid" />
    </getter>
    <getter property="postMaxSizeReached">
      <constraint name="AssertFalse">
        <option name="message">The uploaded file was too large. Please try to upload a smaller file</option>
      </constraint>
    </getter>
    <getter property="csrfTokenValid">
      <constraint name="AssertTrue">
        <option name="message">The CSRF token is invalid</option>
      </constraint>
    </getter>
  </class>

  <class name="Symfony\Component\Form\RepeatedField">
    <getter property="firstEqualToSecond">
      <constraint name="AssertTrue">
        <option name="message">The two values should be equal</option>
      </constraint>
    </getter>
  </class>

  <class name="Symfony\Component\Form\DateField">
    <getter property="yearWithinRange">
      <constraint name="AssertTrue">
        <option name="message">The year is invalid</option>
      </constraint>
    </getter>
    <getter property="monthWithinRange">
      <constraint name="AssertTrue">
        <option name="message">The month is invalid</option>
      </constraint>
    </getter>
    <getter property="dayWithinRange">
      <constraint name="AssertTrue">
        <option name="message">The day is invalid</option>
      </constraint>
    </getter>
  </class>

  <class name="Symfony\Component\Form\TimeField">
    <getter property="hourWithinRange">
      <constraint name="AssertTrue">
        <option name="message">The hour is invalid</option>
      </constraint>
    </getter>
    <getter property="minuteWithinRange">
      <constraint name="AssertTrue">
        <option name="message">The minutes are invalid</option>
      </constraint>
    </getter>
    <getter property="secondWithinRange">
      <constraint name="AssertTrue">
        <option name="message">The seconds are invalid</option>
      </constraint>
    </getter>
  </class>
</constraint-mapping>