Hi everyone!

When writing Tower services for my app (possibly when chaining multiple of them) I get a return type mismatch error from rust-analyzer but no issues from rustc.

Since rustc compiles my code perfectly fine, I assume this is a limitation in how ⁠rust-analyzer⁠ resolves deeply nested ⁠Tower⁠ traits (not dealing correctly with complex trait bounds), rather than an issue with my code.

1. Is this a known limitation of rust-analyzer or a big oversight from my part?
2. How could the trait be rewritten to avoid rust-analyzer complaints?

Thanks in advance!

rustc: 1.96.0
rust-analyzer: 0.3.2955

PS: This is an extensible microservices framework.

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