import type { Diagnostic, EdgeTriple, NodeId } from '../graph.js';
export type CompletionDiagnosticCode = 'COMPLETION_NODE_ADDED' | 'COMPLETION_EDGE_RESOLVED' | 'COMPLETION_UNRESOLVED' | 'COMPLETION_NODE_UNKNOWN' | 'COMPLETION_VERSION_UNKNOWN' | 'COMPLETION_PEER_CONTEXT_INCOMPLETE' | 'COMPLETION_NO_CANDIDATE' | 'COMPLETION_OVERRIDE_CONSTRAINT_CONFLICT';
export interface CompletionDiagnostic extends Diagnostic {
    code: CompletionDiagnosticCode;
}
export interface RejectedCandidate {
    version: string;
    by: string;
    reason?: string;
}
export declare function completionNodeAdded(nodeId: NodeId): CompletionDiagnostic;
export declare function completionEdgeResolved(triple: EdgeTriple): CompletionDiagnostic;
export declare function completionUnresolved(consumer: NodeId, depName: string, depRange: string): CompletionDiagnostic;
export declare function completionNodeUnknown(nodeId: NodeId): CompletionDiagnostic;
export declare function completionVersionUnknown(nodeId: NodeId): CompletionDiagnostic;
export declare function completionPeerContextIncomplete(nodeId: NodeId, peerName: string, peerRange: string): CompletionDiagnostic;
export declare function completionNoCandidate(consumer: NodeId, depName: string, range: string, rejected: readonly RejectedCandidate[], extra?: {
    suggestion?: {
        consumer: string;
        version: string;
        range: string;
    };
    budgetExhausted?: boolean;
}): CompletionDiagnostic;
export declare function completionOverrideConstraintConflict(consumer: NodeId, depName: string, forced: string, by: string, reason?: string): CompletionDiagnostic;