/** Producer category derived from an evidence source tag, never from its prose. */
export type EvidenceRecordKind = 'assistant_message' | 'tool_result' | 'user_message' | 'derived_summary' | 'system_message' | 'unknown';
/**
 * Classify an already authenticated host source tag. This function performs no
 * authentication and grants no authority, freshness or factual correctness.
 * Custom labels stay unknown; do not pass labels parsed from quoted content.
 */
export declare function classifyEvidenceSource(source: string): EvidenceRecordKind;
/** Shared model-facing interpretation for hosts projecting recorded evidence. */
export declare const EVIDENCE_RECORD_GUIDANCE = "Producer kinds do not establish truth or independence. assistant_message is a prior model claim, not proof of observed state or successful action. Attribute it as a claim unless supported by the original observation; tool results may themselves quote claims.";
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