Interface FreeCellResponse

interface FreeCellResponse {
    canUndo: boolean;
    foundation: Card[][];
    freeCells: (Card | null)[];
    hint?: FreeCellHint;
    isStalemate: boolean;
    message: string;
    messageCode?: string;
    messageParams?: Record<string, string>;
    moveCount: number;
    phase: number;
    tableau: (Card | null)[][];
    undoToEscape?: number;
}