message: feat: expose readBigUInt64BE
diff: @@ -87,6 +87,10 @@ export class BufferReader {
  return num;
  }
  + readBigUInt64BE(): bigint {
  + return this.smartBuffer.readBigUInt64BE();
  + }
  +
  readUInt8Enum<T extends string, TEnumValue extends number>(
  enumVariable: { [key in T]: TEnumValue },
  invalidEnumErrorFormatter: (val: number) => Error
  