/**
 * Issue fact builders for Iranti's structured issue tracking.
 *
 * Constructs normalized fact values and property blocks for `issue_status`
 * durable class entries. Issue facts carry lifecycle state (open/resolved),
 * severity, and semantic tags so retrieval can filter by issue status.
 *
 * The `issueId` is normalized (trim → lowercase → snake_case) when building
 * the canonical key, so callers can pass human-readable IDs like "DB Migration
 * Failing" and receive a stable key like `issue_db_migration_failing`.
 *
 * Key exports:
 *   - buildIssueFactWrite()       — full write payload for iranti_write_issue
 *   - buildIssueFactValue()       — the raw fact value object
 *   - buildIssueFactProperties()  — the properties block with semantic tags
 *   - issueFactKey()              — normalize an issueId to "issue_{token}" key
 */
export type IssueStatus = 'open' | 'resolved';
export type IssueSeverity = 'low' | 'medium' | 'high' | 'critical';
export type IssueFactInput = {
    entity: string;
    issueId: string;
    title: string;
    status: IssueStatus;
    summary: string;
    confidence: number;
    source: string;
    agent: string;
    severity?: IssueSeverity;
    details?: unknown;
    discoveredAt?: string;
    resolvedAt?: string;
    resolution?: string;
    tags?: string[];
    validFrom?: Date;
    requestId?: string;
    properties?: Record<string, unknown>;
};
export declare function issueFactKey(issueId: string): string;
export declare function buildIssueFactValue(input: IssueFactInput): Record<string, unknown>;
export declare function buildIssueFactProperties(input: IssueFactInput): Record<string, unknown>;
export declare function buildIssueFactWrite(input: IssueFactInput): {
    entity: string;
    key: string;
    value: Record<string, unknown>;
    summary: string;
    confidence: number;
    source: string;
    agent: string;
    validFrom: Date | undefined;
    requestId: string | undefined;
    properties: Record<string, unknown>;
};
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