Locate: Where is the save_migration_payment_method function?
Found: hyperswitch/crates/payment_methods/src/core/migration/payment_methods.rs :: save_migration_payment_method (rust)

Alternatives:
- hyperswitch/crates/common_utils/src/request.rs :: method
- hyperswitch/crates/router/src/routes/dummy_connector/core.rs :: payment