import type { FlowGraphContext } from "../../../flowGraphContext";
import type { FlowGraphDataConnection } from "../../../flowGraphDataConnection";
import type { FlowGraphSignalConnection } from "../../../flowGraphSignalConnection";
import type { IFlowGraphBlockConfiguration } from "../../../flowGraphBlock";
import { FlowGraphExecutionBlockWithOutSignal } from "../../../flowGraphExecutionBlockWithOutSignal";
/**
 * Configuration for the while loop block.
 */
export interface IFlowGraphWhileLoopBlockConfiguration extends IFlowGraphBlockConfiguration {
    /**
     * If true, the loop body will be executed at least once.
     */
    doWhile?: boolean;
}
/**
 * A block that executes a branch while a condition is true.
 */
export declare class FlowGraphWhileLoopBlock extends FlowGraphExecutionBlockWithOutSignal {
    /**
     * the configuration of the block
     */
    config?: IFlowGraphWhileLoopBlockConfiguration | undefined;
    /**
     * The maximum number of iterations allowed in a loop.
     * This can be set to avoid an infinite loop.
     */
    static MaxLoopCount: number;
    /**
     * Input connection: The condition to evaluate.
     */
    readonly condition: FlowGraphDataConnection<boolean>;
    /**
     * Output connection: The loop body.
     */
    readonly executionFlow: FlowGraphSignalConnection;
    /**
     * Output connection: The completed signal. Triggered when condition is false.
     * No out signal is available.
     */
    readonly completed: FlowGraphSignalConnection;
    constructor(
    /**
     * the configuration of the block
     */
    config?: IFlowGraphWhileLoopBlockConfiguration | undefined);
    _execute(context: FlowGraphContext, _callingSignal: FlowGraphSignalConnection): void;
    getClassName(): string;
}