export declare const OptionDirection: {
    readonly OPTION_DIRECTION_UNSPECIFIED: "OPTION_DIRECTION_UNSPECIFIED";
    readonly OPTION_DIRECTION_PUT: "OPTION_DIRECTION_PUT";
    readonly OPTION_DIRECTION_CALL: "OPTION_DIRECTION_CALL";
};
export type OptionDirection = 'OPTION_DIRECTION_UNSPECIFIED' | 0 | 'OPTION_DIRECTION_PUT' | 1 | 'OPTION_DIRECTION_CALL' | 2;
export type OptionDirection__Output = typeof OptionDirection[keyof typeof OptionDirection];