export interface ColumnFilter {
    columnKey: string;
    operator: "equals" | "contains" | "gt" | "lt" | "empty" | "not_empty";
    value: string;
}
export declare function extractColumnFilters(filters?: Record<string, string>): ColumnFilter[];
export declare function applyColumnFilters(rows: Record<string, unknown>[], filters: ColumnFilter[]): Record<string, unknown>[];
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