export declare const ApprovalActorKind: {
    /**
     * @deprecated
     */
    readonly APPROVAL_ACTOR_KIND_UNSPECIFIED: "APPROVAL_ACTOR_KIND_UNSPECIFIED";
    readonly APPROVAL_ACTOR_KIND_HUMAN: "APPROVAL_ACTOR_KIND_HUMAN";
    readonly APPROVAL_ACTOR_KIND_SERVICE_ACCOUNT: "APPROVAL_ACTOR_KIND_SERVICE_ACCOUNT";
    readonly APPROVAL_ACTOR_KIND_SYSTEM: "APPROVAL_ACTOR_KIND_SYSTEM";
};
export type ApprovalActorKind = 'APPROVAL_ACTOR_KIND_UNSPECIFIED' | 0 | 'APPROVAL_ACTOR_KIND_HUMAN' | 1 | 'APPROVAL_ACTOR_KIND_SERVICE_ACCOUNT' | 2 | 'APPROVAL_ACTOR_KIND_SYSTEM' | 3;
export type ApprovalActorKind__Output = typeof ApprovalActorKind[keyof typeof ApprovalActorKind];