Method verifyNotNull

output/java_guava/1.4.13/Verify.java:136–139

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)

   */

    @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