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|---|---|---|
 0001193125-25-106980-index-headers.html | 2025-04-30 15:03:54 | |
| 0001193125-25-106980-index.html | 2025-04-30 15:03:54 | |
| 0001193125-25-106980.txt | 2025-04-30 15:03:54 | |
 0001193125-25-106980-xbrl.zip | 601302 | 2025-04-30 15:03:54 |
| bsf-20250430.xsd | 7506 | 2025-04-30 15:03:54 |
| bsf-20250430_cal.xml | 4681 | 2025-04-30 15:03:54 |
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| d943212d485bpos.htm | 1073031 | 2025-04-30 15:03:54 |
| d943212d485bpos_htm.xml | 81154 | 2025-04-30 15:03:54 |
| d943212dex99d12.htm | 28823 | 2025-04-30 15:03:54 |
| d943212dex99h31.htm | 412119 | 2025-04-30 15:03:54 |
| d943212dex99j.htm | 1671 | 2025-04-30 15:03:54 |
| FilingSummary.xml | 2652 | 2025-04-30 15:03:54 |
 g943212dsp001.jpg | 103868 | 2025-04-30 15:03:54 |
 g943212dsp002.jpg | 236301 | 2025-04-30 15:03:54 |
 g943212g10a10.jpg | 53273 | 2025-04-30 15:03:54 |
| MetaLinks.json | 242259 | 2025-04-30 15:03:54 |
| R1.htm | 17978 | 2025-04-30 15:03:54 |
| R2.htm | 236131 | 2025-04-30 15:03:54 |
| report.css | 2767 | 2025-04-30 15:03:54 |
| Show.js | 1085 | 2025-04-30 15:03:54 |