File: WebAPI/symbol_browsing_2.proto
Request for a list of category symbols matching input instrument client type.
Limits:
1. The request rate is 30 per 60 seconds by default.
2. The number of simultaneous requests in processing is 5 by default.
Response: SymbolCategoryListByInstrumentTypeReport.
Type: uint32
Description: Instrument client type. This field is associated with InstrumentClientType enum. INSTRUMENT_CLIENT_TYPE_UNKNOWN is used if this field is empty.