export declare class ColumnMapping { private 'column_name'?; private 'json_key'?; constructor(columnName?: string, jsonKey?: string); withColumnName(columnName: string): ColumnMapping; set columnName(columnName: string | undefined); get columnName(): string | undefined; withJsonKey(jsonKey: string): ColumnMapping; set jsonKey(jsonKey: string | undefined); get jsonKey(): string | undefined; } //# sourceMappingURL=ColumnMapping.d.ts.map