/**
 * TaskLockValidation — Warns when a task is locked by another agent.
 *
 * Uses actor identity from ValidationContext to check if the current actor
 * is different from the lock holder.
 */
import type { ValidationStep, ValidationStepResult, ValidationContext } from '../types.js';
import type { IAgentService } from '../../agents/agent-service.js';
export declare class TaskLockValidation implements ValidationStep {
    private readonly agentService;
    readonly name = "TaskLockValidation";
    constructor(agentService: IAgentService);
    validate(context: ValidationContext): Promise<ValidationStepResult>;
}
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