Annotating a field with a generic type in a Schema.Class

How can I annotate with a generic the type of a field for a

Schema.Class

Schema.Class

export class Session<D extends Schema.Unknown = Schema.Unknown> extends Schema.Class<Session>("session")({
    data: D
}) {}

export class Session<D extends Schema.Unknown = Schema.Unknown> extends Schema.Class<Session>("session")({
    data: D
}) {}

Annotating a field with a generic type in a Schema.Class - Effect Community