import type { EntityConstruction, HostPreferencesChangeCapability, HostPreferencesCapability, StorageBooleanOrResult, StorageBooleanResult, StorageByteSizeResult, StorageClearNamespaceResult, StorageClearResult, StorageEntriesResult, StorageGetItemResult, StorageItemCountResult, StorageItemOrResult, StorageItemsResult, StorageJsonOrResult, StorageJsonResult, StorageJsonWriteResult, StorageKeysResult, StorageMigration, StorageMigrationResult, StorageNamespace, StorageNumberOrResult, StorageNumberResult, StoragePresenceResult, StorageRemoveItemResult, StorageRemoveItemsResult, StorageSetItemResult, StorageSetItemsResult, StorageSignals } from '@flighthq/types/contract';
export declare function attachStorage(hostStorageChange: Readonly<HostPreferencesChangeCapability>, signals: StorageSignals): boolean;
export declare function clearStorage(hostStorage: Readonly<HostPreferencesCapability>, signals?: StorageSignals | null): StorageClearResult;
export declare function clearStorageNamespace(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>, signals?: StorageSignals | null): StorageClearNamespaceResult;
export declare function createStorageSignals(): StorageSignals;
export declare function destroyStorage(hostStorageChange: Readonly<HostPreferencesChangeCapability>): void;
export declare function detachStorage(signals: StorageSignals): void;
export declare function disposeStorage(signals: StorageSignals): void;
export declare function getNamespacedStorageByteSize(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>): StorageByteSizeResult;
export declare function getNamespacedStorageEntries(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>): StorageEntriesResult;
export declare function getNamespacedStorageItem(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>, key: string): StorageGetItemResult;
export declare function getNamespacedStorageItemPresence(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>, key: string): StoragePresenceResult;
export declare function getNamespacedStorageKeys(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>): StorageKeysResult;
export declare function getStorageBoolean(hostStorage: Readonly<HostPreferencesCapability>, key: string): StorageBooleanResult;
export declare function getStorageBooleanOr(hostStorage: Readonly<HostPreferencesCapability>, key: string, fallback: boolean): StorageBooleanOrResult;
export declare function getStorageByteSize(hostStorage: Readonly<HostPreferencesCapability>): StorageByteSizeResult;
export declare function getStorageEntries(hostStorage: Readonly<HostPreferencesCapability>): StorageEntriesResult;
export declare function getStorageItem(hostStorage: Readonly<HostPreferencesCapability>, key: string): StorageGetItemResult;
export declare function getStorageItemCount(hostStorage: Readonly<HostPreferencesCapability>): StorageItemCountResult;
export declare function getStorageItemOr(hostStorage: Readonly<HostPreferencesCapability>, key: string, fallback: string): StorageItemOrResult;
export declare function getStorageItemPresence(hostStorage: Readonly<HostPreferencesCapability>, key: string): StoragePresenceResult;
export declare function getStorageItems(hostStorage: Readonly<HostPreferencesCapability>, keys: readonly string[]): StorageItemsResult;
export declare function getStorageJSON<Value>(hostStorage: Readonly<HostPreferencesCapability>, key: string): StorageJsonResult<Value>;
export declare function getStorageJSONOr<Value>(hostStorage: Readonly<HostPreferencesCapability>, key: string, fallback: Value): StorageJsonOrResult<Value>;
export declare function getStorageKeys(hostStorage: Readonly<HostPreferencesCapability>): StorageKeysResult;
export declare function getStorageNumber(hostStorage: Readonly<HostPreferencesCapability>, key: string): StorageNumberResult;
export declare function getStorageNumberOr(hostStorage: Readonly<HostPreferencesCapability>, key: string, fallback: number): StorageNumberOrResult;
export declare function initializeStorageSignals(out: EntityConstruction<StorageSignals>): void;
export declare function migrateStorage(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace> | null, migrations: readonly Readonly<StorageMigration>[], signals?: StorageSignals | null): StorageMigrationResult;
export declare function removeNamespacedStorageItem(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>, key: string, signals?: StorageSignals | null): StorageRemoveItemResult;
export declare function removeStorageItem(hostStorage: Readonly<HostPreferencesCapability>, key: string, signals?: StorageSignals | null): StorageRemoveItemResult;
export declare function removeStorageItems(hostStorage: Readonly<HostPreferencesCapability>, keys: readonly string[], signals?: StorageSignals | null): StorageRemoveItemsResult;
export declare function setNamespacedStorageItem(hostStorage: Readonly<HostPreferencesCapability>, namespace: Readonly<StorageNamespace>, key: string, value: string, signals?: StorageSignals | null): StorageSetItemResult;
export declare function setStorageBoolean(hostStorage: Readonly<HostPreferencesCapability>, key: string, value: boolean, signals?: StorageSignals | null): StorageSetItemResult;
export declare function setStorageItem(hostStorage: Readonly<HostPreferencesCapability>, key: string, value: string, signals?: StorageSignals | null): StorageSetItemResult;
export declare function setStorageItems(hostStorage: Readonly<HostPreferencesCapability>, record: Readonly<Record<string, string>>, signals?: StorageSignals | null): StorageSetItemsResult;
export declare function setStorageJSON<Value>(hostStorage: Readonly<HostPreferencesCapability>, key: string, value: Value, signals?: StorageSignals | null): StorageJsonWriteResult;
export declare function setStorageNumber(hostStorage: Readonly<HostPreferencesCapability>, key: string, value: number, signals?: StorageSignals | null): StorageSetItemResult;
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