import type { JsonObject, ToolDef } from '@fabric-harness/sdk';
import { type DatabricksStatementClient } from './sql-exec.js';
export type ConsumptionGroupBy = 'sku' | 'day';
export interface ConsumptionSummaryOptions {
    /** Inclusive start date, `YYYY-MM-DD`. */
    startDate: string;
    /** Inclusive end date, `YYYY-MM-DD`. Defaults to `startDate`'s caller-provided window end. */
    endDate: string;
    groupBy?: ConsumptionGroupBy;
}
export interface ConsumptionSummary {
    startDate: string;
    endDate: string;
    groupBy: ConsumptionGroupBy;
    rows: JsonObject[];
    totalDbus: number;
    totalListCostUsd: number;
}
export interface DatabricksConsumptionOptions {
    warehouseId: string;
    pollIntervalMs?: number;
    timeoutMs?: number;
}
/**
 * System-Tables consumption reporting. Reads `system.billing.usage` joined to `list_prices` to report
 * real DBUs + list cost — the "prove the consumption" artifact for chargeback and partner credit.
 */
export declare function databricksConsumption(client: DatabricksStatementClient, options: DatabricksConsumptionOptions): {
    summary(opts: ConsumptionSummaryOptions): Promise<ConsumptionSummary>;
};
export type DatabricksConsumption = ReturnType<typeof databricksConsumption>;
export interface DatabricksConsumptionToolOptions extends DatabricksConsumptionOptions {
    name?: string;
    description?: string;
    /** Clock injection for tests / determinism. */
    now?: () => Date;
}
/** Agent-callable consumption report over the last `days` (default 30) or an explicit date window. */
export declare function databricksConsumptionTool(client: DatabricksStatementClient, options: DatabricksConsumptionToolOptions): ToolDef<{
    days?: number;
    startDate?: string;
    endDate?: string;
    groupBy?: ConsumptionGroupBy;
}, unknown>;
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