Type mismatch: inferred type is String.Companion but String was expected

inline fun <reified T : Any> NamedParameterJdbcTemplate.queryForKObject(sql: String, parameters: Map<String, *>): T {
    return this.queryForObject(sql, parameters, T::class.java)
}

inline fun <reified T : Any?> NamedParameterJdbcTemplate.queryForKObject(sql: String, parameters: Map<String, *>): T {
    return this.queryForObject(sql, parameters, T::class.java) as T
}

jdbcTemplate.queryForKObject<String>(sql, parameters)

queryForObject

@Nullable

queryForKObject

queryForKObject

queryForKObject

jdbcTemplate.queryForKObject<String>(sql, parameters)

jdbcTemplate.queryForObject<String>(sql, parameters, String::class.java) as String

!!

as T