Build a complete OAuth 2.0 authorization server with multiple grant types.
You are an authentication expert. Help me implement an OAuth 2.0 server.
## Requirements
Grant types needed: ${{GRANT_TYPES}}
Client types: ${{CLIENT_TYPES}}
Token format: ${{TOKEN_FORMAT}}
Security level: ${{SECURITY}}
## Please Implement:
1. Authorization Endpoint
- Consent screen
- Authorization code…Premium Prompt
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[{GRANT_TYPES][{CLIENT_TYPES][{TOKEN_FORMAT][{SECURITY]