/**
 * Represents valid SQL parameter types that can be used in prepared statements
 */
export type SQLParam = string | number | boolean | null | undefined | Date | Uint8Array | ArrayBuffer;
/**
 * Represents a SQL query with prepared statement parameters
 */
export interface SQLQuery {
    /** The SQL query string with parameter placeholders */
    query: string;
    /** The parameters to bind to the prepared statement */
    params: SQLParam[];
}
/**
 * Creates a raw SQL fragment that will be inserted directly into the query without escaping
 * @param value - The raw SQL string to insert
 * @returns An object marking the string as raw SQL
 */
export declare function raw(value: string): {
    __raw: true;
    value: string;
};
/**
 * Creates a raw SQL fragment using template literals that will be inserted directly into the query
 * @param strings - Template strings array
 * @param values - Values to interpolate into the template
 * @returns An object marking the string as raw SQL
 */
export declare function raw(strings: TemplateStringsArray, ...values: any[]): {
    __raw: true;
    value: string;
};
/**
 * Builds a SQL query with parameterized values
 *
 * @param strings - SQL query string with placeholders or template strings array
 * @param values - Values to interpolate into the query
 * @returns A SQLQuery object with the query string and parameters
 *
 * @example
 * // Using a template literal
 * const userId = 123;
 * const query = build`SELECT * FROM users WHERE id = ${userId}`;
 *
 * @example
 * // Using an array for IN clause
 * const roleIds = [1, 2, 3];
 * const query = build`SELECT * FROM users WHERE role_id IN ${roleIds}`;
 *
 * @example
 * // Using a raw SQL fragment
 * const query = build`SELECT * FROM users WHERE ${raw('created_at > NOW()')}`;
 *
 * @example
 * // Using a subquery
 * const subquery = build`SELECT id FROM active_users`;
 * const query = build`SELECT * FROM users WHERE id IN ${subquery}`;
 */
export declare function build(strings: string | TemplateStringsArray, ...values: any[]): SQLQuery;
/**
 * Creates a prepared statement with bound parameters in a type-safe way
 *
 * @param db - The D1 database instance
 * @param string - SQL query string with ? placeholders
 * @param values - Values to bind to the prepared statement
 * @returns A D1PreparedStatement with bound parameters
 *
 * @example
 * // Using a string with placeholders
 * const stmt = prepare(db, "SELECT * FROM users WHERE id = ?", userId);
 */
export declare function prepare(db: D1Database, string: string, ...values: any[]): D1PreparedStatement;
/**
 * Creates a prepared statement with bound parameters using template literals
 *
 * @param db - The D1 database instance
 * @param strings - Template strings array
 * @param values - Values to interpolate into the query
 * @returns A D1PreparedStatement with bound parameters
 *
 * @example
 * // Using a template literal
 * const userId = 123;
 * const stmt = prepare(db, `SELECT * FROM users WHERE id = ${userId}`);
 *
 * @example
 * // Using an array for IN clause
 * const roleIds = [1, 2, 3];
 * const stmt = prepare(db, `SELECT * FROM users WHERE role_id IN ${roleIds}`);
 */
export declare function prepare(db: D1Database, strings: TemplateStringsArray, ...values: any[]): D1PreparedStatement;