/**
 * Represents a singleton value in the database.
 * Note: The singleton loses type info so it's recommended to serialize to buffer when storing it.
 */
interface AztecBaseSingleton<T> {
    /**
     * Sets the value.
     * @param val - The new value
     */
    set(val: T): Promise<boolean>;
    /**
     * Deletes the value.
     */
    delete(): Promise<boolean>;
}
export interface AztecSingleton<T> extends AztecBaseSingleton<T> {
    /**
     * Gets the value.
     */
    get(): T | undefined;
}
export interface AztecAsyncSingleton<T> extends AztecBaseSingleton<T> {
    /**
     * Gets the value.
     */
    getAsync(): Promise<T | undefined>;
}
export {};
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