import { BasePlugin, PluginProviders } from '@revolist/revogrid';
/**
 * Minimal RevoGrid Gantt plugin.
 *
 * The plugin converts a normal RevoGrid task source into a lightweight Gantt
 * view. It preserves the host grid state, registers the date and Gantt column
 * types, appends a pinned-end timeline column, projects tasks into rows with
 * bar layout metadata, and renders read-only finish-to-start dependency arrows.
 *
 * Scheduling, editing, drag/drop, resources, calendars, baselines, and critical
 * path behavior are intentionally outside this package version. The API is kept
 * close to the enterprise Gantt shape so those capabilities can be layered in
 * later without replacing application configuration.
 */
export declare class GanttPlugin extends BasePlugin {
    private readonly original;
    private readonly elementProperties;
    private readonly dependencyLayer;
    private rawSource;
    private scale;
    private rows;
    private applying;
    private frameRequest;
    private activeRangeEdit;
    private readonly boundPointerDown;
    private readonly boundPointerMove;
    private readonly boundPointerUp;
    /** Create the plugin and immediately project the current grid source. */
    constructor(revogrid: HTMLRevoGridElement, providers: PluginProviders);
    /** Restore host grid state and remove the dependency overlay. */
    destroy(): void;
    private requestRender;
    private syncRawSourceFromGrid;
    private readRenderedSource;
    private render;
    private renderDependencies;
    private startRangeEdit;
    private handleRangePointerMove;
    private endRangeEdit;
    private removeRangeEditListeners;
    private updateTaskRange;
}
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