export interface GanttTooltipContext {
    task: GanttTask;
    subtask?: GanttSubtask;
}
export declare enum GanttItemType {
    Bar = "bar",
    Range = "range",
    Custom = "custom"
}
export interface GanttSubtask {
    id: string;
    name: string;
    start: Date;
    end: Date;
    color: string;
    description?: string;
    progress?: number;
    meta?: Record<string, unknown>;
    cssClass?: string;
}
export interface GanttTask {
    id: string;
    name: string;
    start: Date;
    end: Date;
    progress: number;
    parentId: string | null;
    collapsed: boolean;
    isMilestone: boolean;
    color?: string;
    meta?: Record<string, unknown>;
    draggable?: boolean;
    cssClass?: string;
    /** Tasks sharing the same rowId (and the same parentId) are rendered in a single row. */
    rowId?: string;
    /** Subtasks rendered as colored segments inside this task's bar. */
    subtasks?: GanttSubtask[];
    /** Group ID for group mode — tasks with same group_id are grouped together. */
    group_id?: string;
    /** Whether this specific item can be dragged in the sidebar table. */
    itemDraggable?: boolean;
    /** Whether dependency links can be created from/to this task. Defaults to true when linkable is enabled. */
    linkable?: boolean;
    /** Whether the task can be expanded to show children (auto-detected from children/parentId). */
    expandable?: boolean;
    /** Item display type: bar (default), range, or custom. */
    type?: GanttItemType;
    /** Custom style overrides for the task bar element. */
    barStyle?: Partial<CSSStyleDeclaration>;
    /** Custom style overrides for the task's lane (row background). */
    laneStyle?: Partial<CSSStyleDeclaration>;
    /** Dependency links defined on this item (alternative to top-level dependencies input). */
    links?: (string | {
        type: 'FS' | 'SS' | 'FF' | 'SF';
        link: string;
        color?: string;
    })[];
    /** Children items for tree hierarchy (alternative to parentId). */
    children?: GanttTask[];
}