/**
 * Default Column Handler
 *
 * 处理基本类型: string, integer, boolean, datetime
 */
import type { PodColumnBase, PodTable } from '../../schema';
import type { ColumnHandler, RdfTerm, BuildResult, BuildContext } from '../types';
/**
 * 默认列处理器
 *
 * 处理 string, integer, boolean, datetime 类型
 */
export declare class DefaultHandler implements ColumnHandler {
    readonly name = "default";
    canHandle(column: PodColumnBase): boolean;
    formatValue(value: unknown, column: PodColumnBase, _context?: BuildContext): RdfTerm;
    parseValue(term: RdfTerm, column: PodColumnBase): unknown;
    buildTriples(subject: string, predicate: string, value: unknown, column: PodColumnBase, _table: PodTable, _context: BuildContext): BuildResult;
}
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