/**
 * StatusTransitionValidation — Validates that the workflow graph allows this transition.
 *
 * Takes a target status key (e.g., 'IN_PROGRESS') in the constructor.
 * Reads workflowConfig from ValidationContext to check the edge exists.
 */
import type { ValidationStep, ValidationStepResult, ValidationContext } from '../types.js';
export declare class StatusTransitionValidation implements ValidationStep {
    private readonly targetStatusKey;
    readonly name = "StatusTransitionValidation";
    constructor(targetStatusKey: string);
    validate(context: ValidationContext): Promise<ValidationStepResult>;
}
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