218     fStartBufIdx = 0;  in reset()
288     if (fBufIdx == fStartBufIdx) {  in previous()
304     if (pos < fBoundaries[fStartBufIdx] || pos > fBoundaries[fEndBufIdx]) {  in seek()
307     if (pos == fBoundaries[fStartBufIdx]) {  in seek()
309         fBufIdx = fStartBufIdx;  in seek()
319     int32_t min = fStartBufIdx;  in seek()
342     U_ASSERT(position < fBoundaries[fStartBufIdx] || position > fBoundaries[fEndBufIdx]);  in populateNear()
352     if ((position < fBoundaries[fStartBufIdx] - 15) || position > (fBoundaries[fEndBufIdx] + 15)) {  in populateNear()
400     if (fBoundaries[fStartBufIdx] > position) {  in populateNear()
403         while (fBoundaries[fStartBufIdx] > position) {  in populateNear()
406 …    fBufIdx = fStartBufIdx;                    // Set iterator position to the start of the buffer.  in populateNear()
481     int32_t fromPosition = fBoundaries[fStartBufIdx];  in populatePreceding()
599     if (nextIdx == fStartBufIdx) {  in addFollowing()
600         fStartBufIdx = modChunkSize(fStartBufIdx + 6);    // TODO: experiment. Probably revert to 1.  in addFollowing()
618     U_ASSERT(position < fBoundaries[fStartBufIdx]);  in addPreceding()
620     int32_t nextIdx = modChunkSize(fStartBufIdx - 1);  in addPreceding()
632     fStartBufIdx = nextIdx;  in addPreceding()
644     for (int32_t i=fStartBufIdx; ; i=modChunkSize(i+1)) {  in dumpCache()