fix: type of ProjectionSchemaNameResolver

src/project-data.d.ts

@@ -1,5 +1,6 @@
 import {
   ProjectionSchema,
+  ProjectionSchemaFactory,
   ProjectionSchemaName,
   ProjectionSchemaProperties,
 } from './projection-schema.js';
@@ -9,7 +10,7 @@ import {
  */
 export type ProjectionSchemaNameResolver = (
   schemaName: string,
-) => ProjectionSchemaProperties | ProjectionSchemaName;
+) => ProjectionSchema;
 
 /**
  * Project data options.