import { type EnvironmentInjector, type Signal, type Type, type ViewContainerRef } from '@angular/core';
import { type Observable } from 'rxjs';
import { type DfConnectionLabel } from '../../ng-draw-flow.interfaces';
import { type DrawFlowBaseNode } from '../../ng-draw-flow-node.base';
import { type DfInputComponent, type DfOutputComponent } from '../connectors';
export interface DfNodeContentInputs {
    readonly nodeId: string;
    readonly startNode: boolean;
    readonly endNode: boolean;
    readonly model: Record<string, any> & {
        type: string;
    };
    readonly selected: boolean;
    readonly invalid: boolean;
    readonly disabled: boolean;
    readonly readonly: boolean;
}
export interface DfNodeContentRenderer {
    readonly nativeElement: HTMLElement;
    readonly invalid: boolean;
    readonly inputConnectors: Signal<readonly DfInputComponent[]>;
    readonly outputConnectors: Signal<readonly DfOutputComponent[]>;
    readonly connectorUpdates$: Observable<void>;
    syncInputs(inputs: DfNodeContentInputs): void;
    applyConnectionLabel(label: DfConnectionLabel | undefined): void;
}
export declare function createComponentNodeContentRenderer(containerRef: ViewContainerRef, componentType: Type<DrawFlowBaseNode>, environmentInjector: EnvironmentInjector): DfNodeContentRenderer;