interface KeyValueResponse {
    [key: string]: string | number | boolean;
}
export interface KeyValueUpdate {
    namespace: string;
    key: string;
    value: string;
}
export declare const deleteKeyValue: (namespace: string, key: string) => Promise<void>;
export declare const updateKeyValue: (namespace: string, key: string, value: string | number | boolean) => Promise<any>;
/**
 * @category Service
 * Retrieves the initial studio-state data.
 */
export declare const getKeyValue: (namespace?: string) => Promise<KeyValueResponse>;
export declare const deleteKeyValueNamespace: (namespace: string) => Promise<void>;
export {};
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