modelInnerEnum.mustache

        {{^isContainer}}
        /// <summary>
        /// {{{description}}}{{^description}}Defines {{{name}}}.{{/description}}
        /// </summary>
        {{#description}}
        /// <value>{{.}}</value>
        {{/description}}
        {{#isString}}
        {{#useGenericHost}}
        [JsonConverter(typeof({{datatypeWithEnum}}JsonConverter))]
        {{/useGenericHost}}
        {{/isString}}
        {{>visibility}} class {{datatypeWithEnum}} : IEnum
        {
            /// <summary>
            /// Returns the value of the {{datatypeWithEnum}}.
            /// </summary>
            public string? Value { get; set; }

            {{#allowableValues}}
            {{#enumVars}}
            /// <summary>
            /// {{datatypeWithEnum}}.{{name}} - {{value}}
            /// </summary>
            public static readonly {{datatypeWithEnum}} {{name}} = new("{{value}}");
            {{^-last}}

            {{/-last}}
            {{/enumVars}}
            {{/allowableValues}}
        
            private {{datatypeWithEnum}}(string? value)
            {
                Value = value;
            }

            /// <summary>
            /// Converts a string to a <see cref="{{datatypeWithEnum}}"/> implicitly.
            /// </summary>
            /// <param name="value">The string value to convert. Defaults to null.</param>
            /// <returns>A new <see cref="{{datatypeWithEnum}}"/> instance initialized with the string value.</returns>
            public static implicit operator {{datatypeWithEnum}}?(string? value) => value == null ? null : new {{datatypeWithEnum}}(value);
    
            /// <summary>
            /// Converts a <see cref="{{datatypeWithEnum}}"/> instance to a string implicitly.
            /// </summary>
            /// <param name="option">The <see cref="{{datatypeWithEnum}}"/> instance. Default to null.</param>
            /// <returns>String value of the <see cref="{{datatypeWithEnum}}"/> instance.</returns>
            public static implicit operator string?({{datatypeWithEnum}}? option) => option?.Value;
        
            /// <summary>
            /// Compares two <see cref="{{datatypeWithEnum}}"/> instances for equality.
            /// </summary>
            public static bool operator ==({{datatypeWithEnum}}? left, {{datatypeWithEnum}}? right) => string.Equals(left?.Value, right?.Value, StringComparison.OrdinalIgnoreCase);

            /// <summary>
            /// Compares two <see cref="{{datatypeWithEnum}}"/> instances for inequality.
            /// </summary>
            public static bool operator !=({{datatypeWithEnum}}? left, {{datatypeWithEnum}}? right) => !string.Equals(left?.Value, right?.Value, StringComparison.OrdinalIgnoreCase);

            /// <summary>
            /// Returns true if the given object is equal to this <see cref="{{datatypeWithEnum}}"/> instance.
            /// </summary>
            public override bool Equals(object? obj) => obj is {{datatypeWithEnum}} other && string.Equals(Value, other.Value, StringComparison.OrdinalIgnoreCase);

            /// <summary>
            /// Returns a hash code for this <see cref="{{datatypeWithEnum}}"/> instance.
            /// </summary>
            public override int GetHashCode() => Value?.GetHashCode() ?? 0;

            /// <summary>
            /// Returns the string value of the <see cref="{{datatypeWithEnum}}"/> instance.
            /// </summary>
            public override string ToString() => Value ?? string.Empty;
        
            {{#useGenericHost}}
            /// <summary>
            /// Returns a <see cref="{{datatypeWithEnum}}?"/>.
            /// </summary>
            /// <param name="value"></param>
            /// <returns><see cref="{{datatypeWithEnum}}"/> or null.</returns>
            public static {{datatypeWithEnum}}? FromStringOrDefault(string? value)
            {
                return value switch {
                    {{#allowableValues}}{{#enumVars}}{{#isString}}"{{{value}}}"{{/isString}} => {{datatypeWithEnum}}.{{name}},
                    {{/enumVars}}{{/allowableValues}}_ => null,
                };
            }
    
            /// <summary>
            /// Converts the <see cref="{{datatypeWithEnum}}"/> to the json value.
            /// </summary>
            /// <param name="value"><see cref="{{datatypeWithEnum}}"/></param>
            /// <returns>String value of the enum.</returns>
            public static {{>EnumValueDataType}}?{{#lambda.first}}{{#nrt}}{{/nrt}}{{/lambda.first}} ToJsonValue({{datatypeWithEnum}}? value)
            {
                if (value == null)
                    return null;
            
                {{#allowableValues}}
                {{#enumVars}}
                if (value == {{datatypeWithEnum}}.{{name}})
                    return {{#isString}}"{{{value}}}"{{/isString}};
                
                {{/enumVars}}
                {{/allowableValues}}
                return value.Value;
            }
            
            /// <summary>
            /// JsonConverter for writing {{datatypeWithEnum}}.               
            /// </summary>
            public class {{datatypeWithEnum}}JsonConverter : JsonConverter<{{datatypeWithEnum}}>
            {
                /// <summary>
                /// Deserializes a <see cref="{{datatypeWithEnum}}"/> from JSON.
                /// </summary>
                public override {{datatypeWithEnum}}? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions jsonOptions)
                {
                    string? value = reader.GetString();
                    return value == null ? null : {{datatypeWithEnum}}.FromStringOrDefault(value) ?? new {{datatypeWithEnum}}(value);
                }

                /// <summary>
                /// Serializes a <see cref="{{datatypeWithEnum}}"/> to JSON.
                /// </summary>
                public override void Write(Utf8JsonWriter writer, {{datatypeWithEnum}} value, JsonSerializerOptions jsonOptions)
                {
                    writer.WriteStringValue({{datatypeWithEnum}}.ToJsonValue(value));
                }
            }
            {{/useGenericHost}}
        }
        {{/isContainer}}