export declare class MontyUnavailableError extends Error {
    constructor(message: string, options?: {
        cause?: unknown;
    });
}
export interface MontySessionLike {
    readonly workerPid?: number;
    feedRun(code: string, options?: Record<string, unknown>): Promise<unknown>;
    close(): Promise<void>;
}
export interface MontyPoolLike {
    checkout(options?: Record<string, unknown>): Promise<MontySessionLike>;
    close(): Promise<void>;
}
/**
 * The two door pieces `MirageOSAccess` needs from the binding: the
 * decline sentinel, and the handle class an `open` answer must be an
 * instance of (the binding wraps it into the guest's `_io.*` object).
 */
export interface MontyBindingBits {
    NOT_HANDLED: symbol;
    MontyFileHandle: new (path: string, mode: string) => unknown;
}
/** A worker-death error, the one shape run() maps to an exit code. */
export interface MontyCrashedLike extends Error {
    timedOut: boolean;
}
export interface MontyModuleLike extends MontyBindingBits {
    Monty: {
        create(options?: Record<string, unknown>): Promise<MontyPoolLike>;
    };
    MontySyntaxError: new (...args: never[]) => Error;
    MontyRuntimeError: new (...args: never[]) => Error;
    MontyCrashedError: new (...args: never[]) => MontyCrashedLike;
}
export interface MontyDisplayableError extends Error {
    display?: (format?: string) => string;
}
/** Import the optional binding, failing loud when it is absent. */
export declare function loadMontyModule(): Promise<MontyModuleLike>;
//# sourceMappingURL=binding.d.ts.map