@GetMapping(produces = MediaType.APPLICATION_JSON_VALUE)
    @Operation(summary = "Get collection of trusted devices")
    public Set<? extends MultifactorAuthenticationTrustRecord> devices() {
        cleanExpiredRecords();
        return mfaTrustEngine.getObject().getAll();
    }
Devices registered and trusted.

@return the set
support/cas-server-support-trusted-mfa-core/src/main/java/org/apereo/cas/trusted/web/MultifactorAuthenticationTrustedDevicesReportEndpoint.java