Current Path:
Bank reconciliations auto matches only one to one, and can match one Bank Statement Line to many Bank Account Ledger Entries manually.

Happy Path:
Auto matching and manual matching can occur based on following basis:
a. One to one (exists for both auto and manual)
b. One Bank Statement Line to many Bank Account Ledger Entries (exists for manual, to include function in auto matching)
c. Many Bank Statement Lines to one Bank Account Ledger Entry