export type UnlockMethod = {
    id: string;
    name: string;
    description?: string;
};
export type SDKEvent = {
    type: 'state';
    value: 'IDLE' | 'CHECKING_GRANT' | 'AWAITING_GRANT' | 'UNLOCKING' | 'AWAITING_UNLOCK' | 'FETCHING' | 'READY' | 'ERROR';
} | {
    type: 'error';
    code: string;
    message: string;
} | {
    type: 'error:ui';
    code: string;
    message: string;
} | {
    type: 'password:prompt';
    prompt: string;
    reqId: string;
} | {
    type: 'unlock:requested';
    methods: UnlockMethod[];
} | {
    type: 'grant:requested';
    requested: string[];
    current?: string[];
    manifests?: any[];
} | {
    type: 'devicekey:request';
    deviceId: string;
    reqId: string;
} | {
    type: 'devicestore:get';
    key: string;
    reqId: string;
} | {
    type: 'devicestore:set';
    key: string;
    value: string;
    reqId: string;
} | {
    type: 'devicestore:delete';
    key: string;
    reqId: string;
} | {
    type: 'sshkey:request';
    keyId: string;
    reqId: string;
};
type Listener = (e: SDKEvent) => void;
export declare const bus: {
    on(fn: Listener): () => void;
    emit(e: SDKEvent): void;
};
export declare function makeReqId(): string;
export declare function waitPassword(reqId: string): Promise<string>;
export declare function replyPassword(reqId: string, value: string): void;
export declare function cancelPassword(reqId: string, err?: Error): void;
export declare function waitUnlock(): Promise<string>;
export declare function replyUnlock(methodId: string): void;
export declare function cancelUnlock(err?: Error): void;
export declare function waitGrant(): Promise<void>;
export declare function approveGrant(): void;
export declare function denyGrant(err?: Error): void;
export declare function waitDeviceKey(reqId: string): Promise<Uint8Array>;
/** Preferred: pass Uint8Array; string is treated as base64url and decoded */
export declare function replyDeviceKey(reqId: string, key: Uint8Array | string): void;
export declare function cancelDeviceKey(reqId: string, err?: Error): void;
export declare function waitDeviceStoreGet(reqId: string): Promise<string | null>;
export declare function replyDeviceStoreGet(reqId: string, value: string | null): void;
export declare function cancelDeviceStoreGet(reqId: string, err?: Error): void;
export declare function waitDeviceStoreSet(reqId: string): Promise<void>;
export declare function ackDeviceStoreSet(reqId: string): void;
export declare function rejectDeviceStoreSet(reqId: string, err?: Error): void;
export declare function waitDeviceStoreDelete(reqId: string): Promise<void>;
export declare function ackDeviceStoreDelete(reqId: string): void;
export declare function rejectDeviceStoreDelete(reqId: string, err?: Error): void;
export type SSHKeyPayload = {
    privateKey: string;
    passphrase?: string;
};
export declare function waitSshKey(reqId: string): Promise<SSHKeyPayload>;
export declare function replySshKey(reqId: string, payload: SSHKeyPayload): void;
export declare function cancelSshKey(reqId: string, err?: Error): void;
export {};
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