export declare type ComputedEvent = {
    name: string;
    newValue: unknown;
    oldValue?: unknown;
    hasOldValue?: boolean;
};
export declare type ObservableEvent = {
    type: 'update';
    name: string;
    oldValue: unknown;
    newValue: unknown;
} | {
    type: 'array';
    name: string;
    added: unknown[];
    removed: unknown[];
} | {
    type: 'map';
    name: string;
    key: unknown;
    mapType: 'add' | 'delete' | 'update';
    value?: unknown;
    oldValue?: unknown;
} | {
    type: 'set';
    name: string;
    setType: 'add' | 'delete';
    value: unknown;
};
export declare type ActionEvent = {
    name: string;
    arguments: unknown[];
};
export declare type Logger = {
    logObservable(event: ObservableEvent): void;
    logAction(event: ActionEvent): void;
    logComputed(event: ComputedEvent): void;
};