TypeScript error when adding `declaration: true`

src/schema.ts:106:36 - error TS4020: 'extends' clause of exported class 'SchemaService' has or is using private name 'Stream'.

106 export class SchemaService extends Effect.Service<SchemaService>()("core/SchemaService", {
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
107   effect: schemaServiceImpl,
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
108 }) {}