import type { AccountCreateProofErrorKind, AccountRequestCredentialsErrorKind, HostApiOutcome, PaymentBalance, PaymentStatus } from "./types.js";
import type { HostSdkRuntime } from "./sdk-interfaces.js";
export interface HostApiAccount {
    public_key: Uint8Array;
    name?: string | null;
}
export interface HostRuntimeSession {
    readonly productId: string;
    handleMessage(raw: Uint8Array): HostApiOutcome;
    reset(): void;
    forgetRequest(requestId: string): void;
    isFollowRequest(requestId: string): boolean;
    encodeSignResponse(requestId: string, requestTag: number, signature: Uint8Array): Uint8Array;
    encodeSignError(requestId: string, requestTag: number): Uint8Array;
    encodeAccountGetResponse(requestId: string, publicKey: Uint8Array, name?: string | null): Uint8Array;
    encodeAccountGetError(requestId: string, errorKind: AccountRequestCredentialsErrorKind, reason?: string | null): Uint8Array;
    encodeAccountGetAliasResponse(requestId: string, context: Uint8Array, alias: Uint8Array): Uint8Array;
    encodeAccountGetAliasError(requestId: string, errorKind: AccountRequestCredentialsErrorKind, reason?: string | null): Uint8Array;
    encodeAccountCreateProofResponse(requestId: string, proof: Uint8Array): Uint8Array;
    encodeAccountCreateProofError(requestId: string, errorKind: AccountCreateProofErrorKind, reason?: string | null): Uint8Array;
    encodeDevicePermissionResponse(requestId: string, granted: boolean): Uint8Array;
    encodeDevicePermissionError(requestId: string): Uint8Array;
    encodeRemotePermissionResponse(requestId: string, granted: boolean): Uint8Array;
    encodeRemotePermissionError(requestId: string): Uint8Array;
    encodeCreateTransactionResponse(requestId: string, signedTxBytes: Uint8Array): Uint8Array;
    encodeCreateTransactionError(requestId: string): Uint8Array;
    encodeCreateTxNonProductResponse(requestId: string, signedTxBytes: Uint8Array): Uint8Array;
    encodeCreateTxNonProductError(requestId: string): Uint8Array;
    encodePaymentBalance(requestId: string, balance: PaymentBalance): Uint8Array;
    encodePaymentBalanceInterrupt(requestId: string): Uint8Array;
    encodePaymentTopUpResponse(requestId: string): Uint8Array;
    encodePaymentTopUpError(requestId: string, reason: string): Uint8Array;
    encodePaymentRequestResponse(requestId: string, receiptId: string): Uint8Array;
    encodePaymentRequestError(requestId: string, reason: string): Uint8Array;
    encodePaymentStatus(requestId: string, status: PaymentStatus): Uint8Array;
    encodePaymentStatusInterrupt(requestId: string): Uint8Array;
    encodeChainQueryResponse(requestId: string, jsonRpcResult: string): Uint8Array;
    encodeChainQueryError(requestId: string): Uint8Array;
    encodeChainRpcResponse(requestId: string, requestTag: number, jsonRpcMessage: string): Uint8Array;
    encodeChainRpcError(requestId: string, requestTag: number, reason: string): Uint8Array;
    encodeNavigateResponse(requestId: string): Uint8Array;
    encodePushNotificationResponse(requestId: string): Uint8Array;
    encodeChainFollowStop(requestId: string): Uint8Array;
    encodeChainNotification(requestId: string, jsonRpcMessage: string): Uint8Array | null;
    encodeStorageReadResponse(requestId: string, value: Uint8Array | null): Uint8Array;
    encodeStorageWriteResponse(requestId: string): Uint8Array;
    encodeStorageClearResponse(requestId: string): Uint8Array;
}
/**
 * Shared host-side runtime for product integrations.
 *
 * One `HostRuntime` can serve many product sessions at once while keeping
 * per-product follow/subscription bookkeeping isolated in `HostRuntimeSession`.
 * The current transport remains the SCALE Host API; this class only
 * centralizes host-owned state and response encoding.
 */
export declare class HostRuntime {
    private readonly sdk;
    private readonly sessions;
    constructor(sdk: HostSdkRuntime);
    setAccounts(accounts: readonly HostApiAccount[]): void;
    clearAccounts(): void;
    setSupportedChains(chains: readonly Uint8Array[]): void;
    session(productId: string): HostRuntimeSession;
    destroySession(productId: string): void;
    reset(): void;
    handleMessage(raw: Uint8Array, appId: string): HostApiOutcome;
    encodeSignResponse(requestId: string, requestTag: number, signature: Uint8Array): Uint8Array;
    encodeSignError(requestId: string, requestTag: number): Uint8Array;
    encodeAccountGetResponse(requestId: string, publicKey: Uint8Array, name?: string | null): Uint8Array;
    encodeAccountGetError(requestId: string, errorKind: AccountRequestCredentialsErrorKind, reason?: string | null): Uint8Array;
    encodeAccountGetAliasResponse(requestId: string, context: Uint8Array, alias: Uint8Array): Uint8Array;
    encodeAccountGetAliasError(requestId: string, errorKind: AccountRequestCredentialsErrorKind, reason?: string | null): Uint8Array;
    encodeAccountCreateProofResponse(requestId: string, proof: Uint8Array): Uint8Array;
    encodeAccountCreateProofError(requestId: string, errorKind: AccountCreateProofErrorKind, reason?: string | null): Uint8Array;
    encodeDevicePermissionResponse(requestId: string, granted: boolean): Uint8Array;
    encodeDevicePermissionError(requestId: string): Uint8Array;
    encodeRemotePermissionResponse(requestId: string, granted: boolean): Uint8Array;
    encodeRemotePermissionError(requestId: string): Uint8Array;
    encodeCreateTransactionResponse(requestId: string, signedTxBytes: Uint8Array): Uint8Array;
    encodeCreateTransactionError(requestId: string): Uint8Array;
    encodeCreateTxNonProductResponse(requestId: string, signedTxBytes: Uint8Array): Uint8Array;
    encodeCreateTxNonProductError(requestId: string): Uint8Array;
    encodePaymentBalance(requestId: string, balance: PaymentBalance): Uint8Array;
    encodePaymentBalanceInterrupt(requestId: string): Uint8Array;
    encodePaymentTopUpResponse(requestId: string): Uint8Array;
    encodePaymentTopUpError(requestId: string, reason: string): Uint8Array;
    encodePaymentRequestResponse(requestId: string, receiptId: string): Uint8Array;
    encodePaymentRequestError(requestId: string, reason: string): Uint8Array;
    encodePaymentStatus(requestId: string, status: PaymentStatus): Uint8Array;
    encodePaymentStatusInterrupt(requestId: string): Uint8Array;
    encodeChainQueryResponse(requestId: string, jsonRpcResult: string): Uint8Array;
    encodeChainQueryError(requestId: string): Uint8Array;
    encodeChainSubNotification(requestId: string, jsonRpcMessage: string): Uint8Array;
    encodeChainFollowEvent(requestId: string, jsonRpcMessage: string): Uint8Array;
    encodeChainFollowStop(requestId: string): Uint8Array;
    encodeChainRpcResponse(requestId: string, requestTag: number, jsonRpcMessage: string): Uint8Array;
    encodeChainRpcError(requestId: string, requestTag: number, reason: string): Uint8Array;
    encodeNavigateResponse(requestId: string): Uint8Array;
    encodeStorageReadResponse(requestId: string, value: Uint8Array | null): Uint8Array;
    encodeStorageWriteResponse(requestId: string): Uint8Array;
    encodeStorageClearResponse(requestId: string): Uint8Array;
    encodePushNotificationResponse(requestId: string): Uint8Array;
    findSessionForFollowRequest(requestId: string): HostRuntimeSession | undefined;
}
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