Method verifyNotNull

corpus/java/training/guava/base/Verify.java:134–137

Ensures that reference is non-null, throwing a VerifyException with a default message otherwise. @return reference, guaranteed to be non-null, for convenience @throws VerifyException if reference is null

(@Nullable T reference)

   * @throws VerifyException if {@code reference} is {@code null}
   */
  @CanIgnoreReturnValue
  public static <T> T verifyNotNull(@Nullable T reference) {
    return verifyNotNull(reference, "expected a non-null reference");
  }

  /**
   * Ensures that {@code reference} is non-null, throwing a {@code VerifyException} with a custom