in java/avro-converter/src/main/java/com/microsoft/azure/schemaregistry/kafka/connect/avro/AvroConverterUtils.java [142:156]
static {
ANYTHING_SCHEMA = org.apache.avro.SchemaBuilder.record(AVRO_TYPE_ANYTHING).namespace(NAMESPACE)
.fields().optionalBoolean(ANYTHING_SCHEMA_BOOLEAN_FIELD)
.optionalBytes(ANYTHING_SCHEMA_BYTES_FIELD).optionalDouble(ANYTHING_SCHEMA_DOUBLE_FIELD)
.optionalFloat(ANYTHING_SCHEMA_FLOAT_FIELD).optionalInt(ANYTHING_SCHEMA_INT_FIELD)
.optionalLong(ANYTHING_SCHEMA_LONG_FIELD).optionalString(ANYTHING_SCHEMA_STRING_FIELD)
.name(ANYTHING_SCHEMA_ARRAY_FIELD).type().optional().array().items()
.type(AVRO_TYPE_ANYTHING).name(ANYTHING_SCHEMA_MAP_FIELD).type().optional().array().items()
.record(MAP_ENTRY_TYPE_NAME).namespace(NAMESPACE).fields().name(KEY_FIELD)
.type(AVRO_TYPE_ANYTHING).noDefault().name(VALUE_FIELD).type(AVRO_TYPE_ANYTHING).noDefault()
.endRecord().endRecord();
ANYTHING_SCHEMA_MAP_ELEMENT =
ANYTHING_SCHEMA.getField("map").schema().getTypes().get(1).getElementType();
}