ReadOnlyDictionaryAssertions<TDictionary, TKey, TValue> Constructors public ReadOnlyDictionaryAssertions(TDictionary value); ParametersNameTypeDescriptionvalueTDictionaryLast modified: 29 January 2025ReadOnlyDictionaryAssertions<TDictionary, TKey, TValue> ClassReadOnlyDictionaryAssertions<TDictionary, TKey, TValue>.ContainKey Method