Function createRetrieverTool
 
- createRetrieverTool(retriever, input): DynamicStructuredTool<ZodObject<{ 
    query: ZodString; 
}, "strip", ZodTypeAny, { 
    query: string; 
}, { 
    query: string; 
}>> 
- 
Returns DynamicStructuredTool<ZodObject<{ 
    query: ZodString; 
}, "strip", ZodTypeAny, { 
    query: string; 
}, { 
    query: string; 
}>>