import type { MetricsStore } from "./index.js";
import { type MetricsDriver } from "./sqlite.js";
/** The slice of Cloudflare D1 the metrics driver touches, typed structurally: no workers-types dependency. */
export interface D1Statement {
    bind(...values: unknown[]): D1Statement;
    all<T = Record<string, unknown>>(): Promise<{
        results: T[];
    }>;
}
export interface D1Binding {
    prepare(sql: string): D1Statement;
    /** D1 runs a batch as one transaction: a failing statement rolls back the whole sequence. */
    batch(statements: D1Statement[]): Promise<unknown>;
}
/** One project's store over a D1 binding: what a Worker hands to `defineMetrics`. */
export declare const d1Store: (db: D1Binding, project: string) => MetricsStore;
/** A D1 binding as a metrics driver. */
export declare function d1Driver(db: D1Binding): MetricsDriver;
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