presto-main/src/main/java/io/prestosql/metadata/QualifiedTablePrefix.java/QualifiedTablePrefix/QualifiedTablePrefix
class QualifiedTablePrefix:    @JsonCreator
    public QualifiedTablePrefix(
            @JsonProperty("catalogName") String catalogName,
            @JsonProperty("schemaName") Optional<String> schemaName,
            @JsonProperty("tableName") Optional<String> tableName)
    {
        checkTableName(catalogName, schemaName, tableName);
        this.catalogName = catalogName;
        this.schemaName = schemaName;
        this.tableName = tableName;
    }