Type 'MapValue<any>' is not assignable to type 'MapValue<never>'.

Type 'ReactiveMap<string, { variant: "String"; data: { value: string; }; } | { variant: "Map"; data: { value: MapValue<never>; }; }>' is not assignable to type 'MapValue<never>'.

Type 'ReactiveMap<string, JSONValue>' is not assignable to type 'MapValue<never>'.

Type 'ReactiveMap<string, JSONValue>' is not assignable to type 'MapValue<never>'.

Type 'JSONValue[]' is not assignable to type 'never[]'.

Type 'ReactiveMap<string, JSONValue>' is not assignable to type 'MapValue<never>'.

Argument of type '{ variant: "Null"; } | { variant: "Bool"; data: { value: boolean; }; } | { variant: "Number"; data: { value: number; }; } | { variant: "String"; data: { value: string; }; } | { variant: "List"; data: { value: JSONValue[]; }; } | { ...; }' is not assignable to parameter of type 'never'.

Argument of type '{ variant: "Null"; } | { variant: "Bool"; data: { value: boolean; }; } | { variant: "Number"; data: { value: number; }; } | { variant: "String"; data: { value: string; }; } | { variant: "List"; data: { value: JSONValue[]; }; } | { ...; }' is not assignable to parameter of type 'never'.

Argument of type 'Option<{ variant: "Null"; } | { variant: "Bool"; data: { value: boolean; }; } | { variant: "Number"; data: { value: number; }; } | { variant: "String"; data: { value: string; }; } | { variant: "List"; data: { value: JSONValue[]; }; } | { ...; }>' is not assignable to parameter of type 'Option<never>'.

Property 'variant' does not exist on type 'never'.