/**
 * Discriminated union for HostApi message processing outcomes.
 *
 * Returned by {@link HostSdk.handleMessage}. Use the `type` field to
 * narrow the variant and access its fields with full type safety.
 */
export interface OutcomeResponse {
    type: "Response";
    data: Uint8Array;
}
export interface OutcomeNeedsSign {
    type: "NeedsSign";
    request_id: string;
    request_tag: number;
    public_key: Uint8Array;
    payload: Uint8Array;
}
export interface OutcomeNeedsChainQuery {
    type: "NeedsChainQuery";
    request_id: string;
    method: string;
    params: unknown;
}
export interface OutcomeNeedsChainSubscription {
    type: "NeedsChainSubscription";
    request_id: string;
    method: string;
    params: unknown;
}
export interface OutcomeNeedsNavigate {
    type: "NeedsNavigate";
    request_id: string;
    url: string;
}
export interface OutcomeNeedsPushNotification {
    type: "NeedsPushNotification";
    request_id: string;
    text: string;
    deeplink: string | null;
}
export interface OutcomeNeedsChainFollow {
    type: "NeedsChainFollow";
    request_id: string;
    genesis_hash: Uint8Array;
    with_runtime: boolean;
}
export interface OutcomeNeedsChainRpc {
    type: "NeedsChainRpc";
    request_id: string;
    request_tag: number;
    genesis_hash: Uint8Array;
    json_rpc_method: string;
    json_rpc_params: unknown;
    follow_sub_id: string | null;
}
export interface OutcomeNeedsStorageRead {
    type: "NeedsStorageRead";
    request_id: string;
    key: string;
}
export interface OutcomeNeedsStorageWrite {
    type: "NeedsStorageWrite";
    request_id: string;
    key: string;
    value: Uint8Array;
}
export interface OutcomeNeedsStorageClear {
    type: "NeedsStorageClear";
    request_id: string;
    key: string;
}
export interface PaymentAmount {
    currency: string;
    minor_units: string;
}
export interface PaymentBalance {
    available: PaymentAmount;
    pending: PaymentAmount;
}
export type PaymentTopUpSource = {
    type: "ProductAccount";
    account: ProductAccountId;
} | {
    type: "OneTimePrivateKey";
    private_key: Uint8Array;
};
export interface PaymentTopUpRequest {
    amount: PaymentAmount;
    source: PaymentTopUpSource;
}
export interface PaymentRequest {
    amount: PaymentAmount;
    recipient: string;
    memo: string | null;
}
export interface PaymentReceipt {
    id: string;
}
export type PaymentStatus = {
    type: "Processing";
} | {
    type: "Completed";
} | {
    type: "Failed";
    reason: string;
};
export interface ProductAccountId {
    dotns_id: string;
    derivation_index: number;
}
export interface RingLocation {
    genesis_hash: Uint8Array;
    ring_root_hash: Uint8Array;
    pallet_instance: number | null;
}
export type DevicePermissionKind = "Camera" | "Microphone" | "Bluetooth" | "Location";
export type RemotePermissionRequest = {
    type: "ExternalRequest";
    url: string;
} | {
    type: "TransactionSubmit";
};
export type AccountRequestCredentialsErrorKind = "NotConnected" | "Rejected" | "DomainNotValid" | "Unknown";
export type AccountCreateProofErrorKind = "RingNotFound" | "Rejected" | "Unknown";
export interface OutcomeNeedsAccountGet {
    type: "NeedsAccountGet";
    request_id: string;
    account: ProductAccountId;
}
export interface OutcomeNeedsPaymentBalanceSubscription {
    type: "NeedsPaymentBalanceSubscription";
    request_id: string;
}
export interface OutcomeNeedsPaymentTopUp {
    type: "NeedsPaymentTopUp";
    request_id: string;
    request: PaymentTopUpRequest;
}
export interface OutcomeNeedsPaymentRequest {
    type: "NeedsPaymentRequest";
    request_id: string;
    request: PaymentRequest;
}
export interface OutcomeNeedsPaymentStatusSubscription {
    type: "NeedsPaymentStatusSubscription";
    request_id: string;
    receipt_id: string;
}
export interface OutcomeNeedsAccountGetAlias {
    type: "NeedsAccountGetAlias";
    request_id: string;
    account: ProductAccountId;
}
export interface OutcomeNeedsAccountCreateProof {
    type: "NeedsAccountCreateProof";
    request_id: string;
    account: ProductAccountId;
    ring_location: RingLocation;
    message: Uint8Array;
}
export interface OutcomeNeedsDevicePermission {
    type: "NeedsDevicePermission";
    request_id: string;
    kind: DevicePermissionKind;
}
export interface OutcomeNeedsRemotePermission {
    type: "NeedsRemotePermission";
    request_id: string;
    request: RemotePermissionRequest;
}
export interface OutcomeNeedsCreateTransaction {
    type: "NeedsCreateTransaction";
    request_id: string;
    account: ProductAccountId;
    versioned_payload: Uint8Array;
}
export interface OutcomeNeedsCreateTransactionNonProduct {
    type: "NeedsCreateTransactionNonProduct";
    request_id: string;
    versioned_payload: Uint8Array;
}
export interface OutcomeSilent {
    type: "Silent";
}
export type HostApiOutcome = OutcomeResponse | OutcomeNeedsSign | OutcomeNeedsChainQuery | OutcomeNeedsChainSubscription | OutcomeNeedsNavigate | OutcomeNeedsPushNotification | OutcomeNeedsChainFollow | OutcomeNeedsChainRpc | OutcomeNeedsStorageRead | OutcomeNeedsStorageWrite | OutcomeNeedsStorageClear | OutcomeNeedsAccountGet | OutcomeNeedsPaymentBalanceSubscription | OutcomeNeedsPaymentTopUp | OutcomeNeedsPaymentRequest | OutcomeNeedsPaymentStatusSubscription | OutcomeNeedsAccountGetAlias | OutcomeNeedsAccountCreateProof | OutcomeNeedsDevicePermission | OutcomeNeedsRemotePermission | OutcomeNeedsCreateTransaction | OutcomeNeedsCreateTransactionNonProduct | OutcomeSilent;
export declare function isResponse(o: HostApiOutcome): o is OutcomeResponse;
export declare function isNeedsSign(o: HostApiOutcome): o is OutcomeNeedsSign;
export declare function isNeedsChainQuery(o: HostApiOutcome): o is OutcomeNeedsChainQuery;
export declare function isNeedsChainSubscription(o: HostApiOutcome): o is OutcomeNeedsChainSubscription;
export declare function isNeedsNavigate(o: HostApiOutcome): o is OutcomeNeedsNavigate;
export declare function isNeedsPushNotification(o: HostApiOutcome): o is OutcomeNeedsPushNotification;
export declare function isNeedsChainFollow(o: HostApiOutcome): o is OutcomeNeedsChainFollow;
export declare function isNeedsChainRpc(o: HostApiOutcome): o is OutcomeNeedsChainRpc;
export declare function isNeedsStorageRead(o: HostApiOutcome): o is OutcomeNeedsStorageRead;
export declare function isNeedsStorageWrite(o: HostApiOutcome): o is OutcomeNeedsStorageWrite;
export declare function isNeedsStorageClear(o: HostApiOutcome): o is OutcomeNeedsStorageClear;
export declare function isNeedsAccountGet(o: HostApiOutcome): o is OutcomeNeedsAccountGet;
export declare function isNeedsPaymentBalanceSubscription(o: HostApiOutcome): o is OutcomeNeedsPaymentBalanceSubscription;
export declare function isNeedsPaymentTopUp(o: HostApiOutcome): o is OutcomeNeedsPaymentTopUp;
export declare function isNeedsPaymentRequest(o: HostApiOutcome): o is OutcomeNeedsPaymentRequest;
export declare function isNeedsPaymentStatusSubscription(o: HostApiOutcome): o is OutcomeNeedsPaymentStatusSubscription;
export declare function isNeedsAccountGetAlias(o: HostApiOutcome): o is OutcomeNeedsAccountGetAlias;
export declare function isNeedsAccountCreateProof(o: HostApiOutcome): o is OutcomeNeedsAccountCreateProof;
export declare function isNeedsDevicePermission(o: HostApiOutcome): o is OutcomeNeedsDevicePermission;
export declare function isNeedsRemotePermission(o: HostApiOutcome): o is OutcomeNeedsRemotePermission;
export declare function isNeedsCreateTransaction(o: HostApiOutcome): o is OutcomeNeedsCreateTransaction;
export declare function isNeedsCreateTransactionNonProduct(o: HostApiOutcome): o is OutcomeNeedsCreateTransactionNonProduct;
export declare function isSilent(o: HostApiOutcome): o is OutcomeSilent;
/**
 * Decoded Substrate extrinsic signing payload fields.
 *
 * Returned by {@link HostSdk.decodeSignPayload}. Use this to inspect the
 * payload from a `NeedsSign` outcome for display in signing confirmation UI.
 *
 * **Heuristic decoder**: decoded fields are for display purposes only and
 * should not be trusted as a security boundary. See the Rust module docs
 * for full limitations.
 */
export interface DecodedSignPayload {
    /** Genesis hash of the target chain (32 bytes). */
    genesisHash: Uint8Array;
    /** Block hash for the mortality window (32 bytes). */
    blockHash: Uint8Array;
    /** Runtime spec version. */
    specVersion: number;
    /** Transaction format version. */
    txVersion: number;
    /** Metadata hash (32 bytes) if CheckMetadataHash is active, or null. */
    metadataHash: Uint8Array | null;
    /** Raw bytes: call data concatenated with signed-extension extra data. */
    callDataAndExtra: Uint8Array;
}
/** Decoded statement from the statement store. */
export interface DecodedStatement {
    proofPubkey?: Uint8Array;
    decryptionKey?: Uint8Array;
    channel?: Uint8Array;
    priority: number;
    topics: Uint8Array[];
    data: Uint8Array;
}
/** Health status of the statement store connection. */
export interface HostStoreStatus {
    storeRunning: boolean;
    storeHealth: "healthy" | "unreachable" | "checking";
    subscribers: number;
    pendingEvents: number;
    lastError: string;
    msSinceHealthy: number;
}
/** Wallet state as reported by WalletHandle. */
export type WalletState = "NoWallet" | "Locked" | "Unlocked";
/** Callback invoked when the wallet auto-locks. */
export type AutoLockCallback = () => void;
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