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@RestController
@RequestMapping("/v1/claims")
class ClaimController {

  @PostMapping
  @PreAuthorize("hasAuthority('SCOPE_claims:write')")
  ResponseEntity<Claim> declare(
      @Valid @RequestBody ClaimRequest req) {
    // idempotent, audited, traced
    return ResponseEntity.status(CREATED)
        .body(claims.declare(req));
  }
}