/** Minimal interface matching Cloudflare Workers KV namespace runtime object. */
export interface KVNamespace {
    get(key: string, options: {
        type: "json";
    }): Promise<unknown>;
    put(key: string, value: string): Promise<void>;
    delete(key: string): Promise<void>;
}
/** Value that can be passed through the D1 Worker API. */
export type D1Value = boolean | null | number | string;
/** Metadata returned by the D1 Worker API. */
export interface D1Meta {
    readonly changed_db?: boolean | undefined;
    readonly duration?: number | undefined;
    readonly last_row_id?: number | undefined;
    readonly rows_read?: number | undefined;
    readonly rows_written?: number | undefined;
}
/** Result object returned by `D1PreparedStatement.run()`. */
export interface D1Result<T extends Record<string, unknown> = Record<string, unknown>> {
    readonly success: boolean;
    readonly meta?: D1Meta | undefined;
    readonly results?: readonly T[] | undefined;
}
/** Result object returned by `D1Database.exec()`. */
export interface D1ExecResult {
    readonly count: number;
    readonly duration: number;
}
/** Minimal prepared statement interface for D1 databases and sessions. */
export interface D1PreparedStatement {
    bind(...values: D1Value[]): D1PreparedStatement;
    first<T = Record<string, unknown>>(column?: string): Promise<T | null>;
    raw<T = unknown[]>(options?: {
        columnNames?: boolean;
    }): Promise<readonly T[]>;
    run<T extends Record<string, unknown> = Record<string, unknown>>(): Promise<D1Result<T>>;
}
/** Minimal D1 binding/session interface used by `CloudflareD1Provider`. */
export interface D1Database {
    batch<T extends Record<string, unknown> = Record<string, unknown>>(statements: readonly D1PreparedStatement[]): Promise<readonly D1Result<T>[]>;
    exec?(query: string): Promise<D1ExecResult>;
    prepare(query: string): D1PreparedStatement;
}