/**
 * Value coercion shared by the SQLite-family drivers.
 *
 * `node:sqlite` and D1 both reject JavaScript booleans outright ("Provided value cannot be bound
 * to SQLite parameter N"), and neither understands `Date` or `undefined`. Rather than making every
 * call site remember that, the drivers normalise parameters on the way in.
 */
/** Values a SQLite-family driver will accept as a bound parameter. */
export type SqlValue = string | number | bigint | null | Uint8Array;
/**
 * Normalise a single query parameter into something SQLite/D1 will bind.
 *
 * Booleans become 0/1, dates become ISO-8601 strings (matching the `Timestamp` column type),
 * and `undefined` becomes NULL so optional fields do not blow up at the driver boundary.
 */
export declare function toSqlValue(value: unknown): SqlValue;
export declare function toSqlParameters(parameters: readonly unknown[]): SqlValue[];
/** Read a SQLite integer-backed boolean column. */
export declare function toBool(value: number | boolean | null | undefined): boolean;
/** Write a boolean to an integer-backed column. */
export declare function fromBool(value: boolean | undefined | null): number;
/**
 * Parse a JSON text column, falling back rather than throwing.
 *
 * A malformed `data` blob should not take down an entire admin list view; the caller gets the
 * fallback and the row stays visible and editable.
 */
export declare function parseJson<T>(value: string | null | undefined, fallback: T): T;
/** Serialise a value for a JSON text column. */
export declare function stringifyJson(value: unknown): string;
/** Current time in the ISO-8601 form used by every `Timestamp` column. */
export declare function now(): string;