import type { IDomainEventBus } from '../../application/ports/event-bus.port';
import type { GatePhase } from '../gate-evidence';
export declare enum PhaseState {
    PENDING = "PENDING",
    IN_PROGRESS = "IN_PROGRESS",
    GATE_PENDING = "GATE_PENDING",
    APPROVED = "APPROVED",
    REJECTED = "REJECTED",
    ARCHIVED = "ARCHIVED"
}
export declare const PHASE_TRANSITIONS: Readonly<Record<PhaseState, readonly PhaseState[]>>;
export interface PhaseTransitionContext {
    projectId: string;
    phase: GatePhase;
    startedBy?: string;
    correlationId?: string;
}
export declare class PhaseStateMachine {
    private readonly eventBus?;
    constructor(eventBus?: IDomainEventBus | undefined);
    transition(from: PhaseState, to: PhaseState, ctx?: PhaseTransitionContext): true;
    canTransition(from: PhaseState, to: PhaseState): boolean;
    allowedTransitions(from: PhaseState): readonly PhaseState[];
}