import type { StorageScope } from "./Storage.types";
export type StorageChangeOperation = "set" | "remove" | "clear" | "clearNamespace" | "clearGroup" | "setBatch" | "removeBatch" | "import" | "expire" | "rollback" | "external";
export type StorageChangeSource = "memory" | "native" | "web" | "external";
export type StorageKeyChangeEvent = {
    type: "key";
    scope: StorageScope;
    key: string;
    oldValue: string | undefined;
    newValue: string | undefined;
    operation: StorageChangeOperation;
    source: StorageChangeSource;
};
export type StorageBatchChangeEvent = {
    type: "batch";
    scope: StorageScope;
    operation: StorageChangeOperation;
    source: StorageChangeSource;
    changes: StorageKeyChangeEvent[];
};
export type StorageChangeEvent = StorageKeyChangeEvent | StorageBatchChangeEvent;
export type StorageEventListener = (event: StorageChangeEvent) => void;
export declare class StorageEventRegistry {
    private readonly scopeListeners;
    private readonly keyListeners;
    private readonly prefixListeners;
    subscribe(scope: StorageScope, listener: StorageEventListener): () => void;
    hasListeners(scope: StorageScope): boolean;
    subscribeKey(scope: StorageScope, key: string, listener: StorageEventListener): () => void;
    subscribePrefix(scope: StorageScope, prefix: string, listener: StorageEventListener): () => void;
    emitKey(event: StorageKeyChangeEvent): void;
    emitBatch(event: StorageBatchChangeEvent): void;
    private emitToScope;
    private emitToKey;
    private emitToPrefixes;
    private emitBatchToPrefixes;
}
//# sourceMappingURL=storage-events.d.ts.map