export type EntityId = string;
export type TaskId = EntityId;
export type DependencyId = EntityId;
export type ISODateString = `${number}-${number}-${number}` | `${number}-${number}-${number}T${string}`;
export type TaskType = 'summary' | 'task' | 'milestone';
export type DependencyType = 'finish-to-start' | 'start-to-start' | 'finish-to-finish' | 'start-to-finish';
export interface TaskEntity {
    readonly id: TaskId;
    readonly parentId: TaskId | null;
    readonly name: string;
    readonly type: TaskType;
    readonly startDate: ISODateString;
    readonly endDate: ISODateString;
    readonly progressPercent: number;
    readonly [key: string]: unknown;
}
export interface DependencyEntity {
    readonly id: DependencyId;
    readonly predecessorTaskId: TaskId;
    readonly successorTaskId: TaskId;
    readonly type: DependencyType;
    readonly lagDays?: number;
}
export type TimelineZoomPreset = 'day-week' | 'week-month' | 'month-quarter';
export interface GanttVisualConfig {
    readonly showDependencies?: boolean;
    readonly showTaskLabels?: boolean;
}
export interface GanttPluginConfig {
    readonly id: EntityId;
    readonly name: string;
    readonly version: string;
    readonly timeZone: string;
    readonly updatedAt: string;
    readonly zoomPreset?: TimelineZoomPreset;
    readonly visuals?: GanttVisualConfig;
}
declare global {
    interface HTMLRevoGridElement {
        gantt?: GanttPluginConfig;
        ganttDependencies?: readonly DependencyEntity[];
    }
}
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