import { type EnvironmentInjector, type Type, type ViewContainerRef } from '@angular/core';
import { type DrawFlowBaseNode } from '../../ng-draw-flow-node.base';
import { type DfNodeContentInputs, type DfNodeContentRenderer } from './node-content.renderer';
export declare class NodeContentHost {
    private readonly environmentInjector;
    private readonly rendererSignal;
    readonly renderer: import("@angular/core").Signal<DfNodeContentRenderer | null>;
    constructor(environmentInjector: EnvironmentInjector);
    renderComponent(containerRef: ViewContainerRef, componentType: Type<DrawFlowBaseNode>): DfNodeContentRenderer;
    clear(containerRef: ViewContainerRef): void;
    syncInputs(inputs: DfNodeContentInputs): void;
    nativeElement(): HTMLElement | null;
}