23 function readBool(bufferDecoder, start) {  argument
24   const {lowBits, highBits} = bufferDecoder.getVarint(start);
35 function readBytes(bufferDecoder, start) {  argument
36   return readDelimited(bufferDecoder, start).asByteString();
46 function readInt32(bufferDecoder, start) {  argument
50   return bufferDecoder.getUnsignedVarint32At(start) | 0;
60 function readInt64(bufferDecoder, start) {  argument
61   const {lowBits, highBits} = bufferDecoder.getVarint(start);
72 function readFixed32(bufferDecoder, start) {  argument
73   return bufferDecoder.getUint32(start);
83 function readFloat(bufferDecoder, start) {  argument
84   return bufferDecoder.getFloat32(start);
94 function readSfixed64(bufferDecoder, start) {  argument
95   const lowBits = bufferDecoder.getInt32(start);
96   const highBits = bufferDecoder.getInt32(start + 4);
107 function readSint32(bufferDecoder, start) {  argument
108   const bits = bufferDecoder.getUnsignedVarint32At(start);
120 function readSint64(bufferDecoder, start) {  argument
121   const {lowBits, highBits} = bufferDecoder.getVarint(start);
135 function readDelimited(bufferDecoder, start) {  argument
136   const unsignedLength = bufferDecoder.getUnsignedVarint32At(start);
137   return bufferDecoder.subBufferDecoder(bufferDecoder.cursor(), unsignedLength);
147 function readString(bufferDecoder, start) {  argument
148   return readDelimited(bufferDecoder, start).asString();
158 function readUint32(bufferDecoder, start) {  argument
159   return bufferDecoder.getUnsignedVarint32At(start);
169 function readDouble(bufferDecoder, start) {  argument
170   return bufferDecoder.getFloat64(start);
180 function readSfixed32(bufferDecoder, start) {  argument
181   return bufferDecoder.getInt32(start);
196 function readPackedBool(bufferDecoder, start) {  argument
197   return readPacked(bufferDecoder, start, readBool);
208 function readPackedDouble(bufferDecoder, start) {  argument
209   return readPacked(bufferDecoder, start, readDouble);
220 function readPackedFixed32(bufferDecoder, start) {  argument
221   return readPacked(bufferDecoder, start, readFixed32);
232 function readPackedFloat(bufferDecoder, start) {  argument
233   return readPacked(bufferDecoder, start, readFloat);
244 function readPackedInt32(bufferDecoder, start) {  argument
245   return readPacked(bufferDecoder, start, readInt32);
256 function readPackedInt64(bufferDecoder, start) {  argument
257   return readPacked(bufferDecoder, start, readInt64);
268 function readPackedSfixed32(bufferDecoder, start) {  argument
269   return readPacked(bufferDecoder, start, readSfixed32);
280 function readPackedSfixed64(bufferDecoder, start) {  argument
281   return readPacked(bufferDecoder, start, readSfixed64);
292 function readPackedSint32(bufferDecoder, start) {  argument
293   return readPacked(bufferDecoder, start, readSint32);
304 function readPackedSint64(bufferDecoder, start) {  argument
305   return readPacked(bufferDecoder, start, readSint64);
316 function readPackedUint32(bufferDecoder, start) {  argument
317   return readPacked(bufferDecoder, start, readUint32);
329 function readPacked(bufferDecoder, start, valueFunction) {  argument
331   const unsignedLength = bufferDecoder.getUnsignedVarint32At(start);
332   const dataStart = bufferDecoder.cursor();
333   while (bufferDecoder.cursor() < dataStart + unsignedLength) {
334     checkState(bufferDecoder.cursor() > 0);
335     result.push(valueFunction(bufferDecoder, bufferDecoder.cursor()));