export default class Columns {
    get columns() {
        return this._columns;
    }
    set columns(v) {
        this._columns = v;
    }
    constructor(columns) {
        this._columns = [];
        this.columns = columns;
    }
    addColumn(columnName) {
        this.columns.push(columnName);
    }
    hasColumn(columnName) {
        return this.columns.includes(columnName);
    }
}
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