import type { BackendConnection, GattBackend } from '../backend-contract/backend.js';
import type { CleanupFailure, CleanupRecord } from '../backend-contract/errors.js';
import type { AttachmentRecord } from '../backend-contract/identity.js';
import { type CharacteristicPath, type DescriptorPath } from '../backend-contract/gatt.js';
import type { PublicOperationOptions, SubscriptionOptions, WritePolicy, WriteReceipt } from '../backend-contract/operations.js';
import type { AttachmentBoundIdFactory, Deadline, OwnedBytes } from '../backend-contract/primitives.js';
import { WebGattDatabase } from './web-bluetooth-handles.js';
import type { WebConnectionRecord, WebGattDatabaseHost } from './web-bluetooth-handles.js';
export interface WebGattHost extends WebGattDatabaseHost {
    readonly attachment: AttachmentRecord<string>;
    identifiers(): AttachmentBoundIdFactory<string>;
    requireConnection(connection: BackendConnection<string, string>, operation: string): WebConnectionRecord;
    requireDatabase(path: CharacteristicPath<string, string, string, string, string> | DescriptorPath<string, string, string, string, string, string>, operation: string): WebGattDatabase;
    runAbortable<Result>(record: WebConnectionRecord | null, operation: {
        readonly signal: AbortSignal | null;
        readonly deadline: Deadline | null;
    }, start: () => Promise<Result>, fallbackCode: import('../backend-contract/errors.js').BleErrorCode, domain: 'chooser' | 'connection' | 'gatt', operationName: string, onLateSuccess?: ((result: Result) => Promise<void> | void) | null): Promise<Result>;
    staleGattError(operation: string): import('../backend-contract/errors.js').BackendContractError;
}
export declare class WebBluetoothGattRuntime {
    private readonly host;
    readonly gatt: GattBackend<string>;
    private nextDatabase;
    private nextSubscription;
    private nextOperation;
    private readonly subscriptions;
    constructor(host: WebGattHost);
    subscriptionCount(): number;
    retainedSubscriptionCount(): number;
    destroySubscriptions(): Promise<readonly CleanupFailure[]>;
    invalidateConnection(record: WebConnectionRecord, reason: 'connection-lost' | 'owner-released'): void;
    stopConnectionSubscriptions(record: WebConnectionRecord): Promise<CleanupRecord>;
    readDirect(database: WebGattDatabase, path: CharacteristicPath<string, string, string, string, string, 'current'>, options: PublicOperationOptions): Promise<OwnedBytes>;
    writeDirect(database: WebGattDatabase, path: CharacteristicPath<string, string, string, string, string, 'current'>, value: Readonly<Uint8Array>, options: WritePolicy): Promise<WriteReceipt<string, string>>;
    readDescriptorDirect(database: WebGattDatabase, path: DescriptorPath<string, string, string, string, string, string, 'current'>, options: PublicOperationOptions): Promise<OwnedBytes>;
    writeDescriptorDirect(database: WebGattDatabase, path: DescriptorPath<string, string, string, string, string, string, 'current'>, value: Readonly<Uint8Array>, options: WritePolicy): Promise<WriteReceipt<string, string>>;
    subscribeDirect(database: WebGattDatabase, path: CharacteristicPath<string, string, string, string, string, 'current'>, options: SubscriptionOptions): Promise<import('../backend-contract/gatt.js').Subscription<string, string, string, string, string, string>>;
    private createGattBackend;
    private discover;
    private buildDatabase;
    private readCharacteristic;
    private writeCharacteristic;
    private readDescriptorValue;
    private writeDescriptorValue;
    private enableSubscription;
    private removeManagedSubscription;
    private stopManagedSubscription;
    private beginLogicalSubscriptionStop;
    private finishStoppedSubscription;
    private stopDatabaseSubscriptions;
    private readResult;
    private writeResult;
    private readDescriptorResult;
    private writeDescriptorResult;
    private subscribeResult;
    private unsubscribeResult;
    private requireCharacteristic;
    private requireDescriptor;
    private dispatch;
    private operationCorrelation;
}
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