@Test public void isBlankShouldPassIfNull() { assertTrue(StripeTextUtils.isBlank(null)); }
public static boolean isBlank(@Nullable String value) { return value == null || value.trim().length() == 0; }
StripeTextUtils { public static boolean isBlank(@Nullable String value) { return value == null || value.trim().length() == 0; } }
StripeTextUtils { public static boolean isBlank(@Nullable String value) { return value == null || value.trim().length() == 0; }  }
StripeTextUtils { public static boolean isBlank(@Nullable String value) { return value == null || value.trim().length() == 0; }  @Nullable static String nullIfBlank(@Nullable String value); static boolean isBlank(@Nullable String value); @Nullable static String removeSpacesAndHyphens(@Nullable String cardNumberWithSpaces); }
StripeTextUtils { public static boolean isBlank(@Nullable String value) { return value == null || value.trim().length() == 0; }  @Nullable static String nullIfBlank(@Nullable String value); static boolean isBlank(@Nullable String value); @Nullable static String removeSpacesAndHyphens(@Nullable String cardNumberWithSpaces);  }