/**
 * Engineering Decision Memory (EDM)
 * Extracts architectural decisions from raw PR comments and discussions.
 */
export interface PRComment {
    id: string;
    author: string;
    body: string;
    createdAt: string;
    url: string;
}
export interface ArchitecturalDecision {
    type: 'decision';
    sourceId: string;
    author: string;
    summary: string;
    fullText: string;
    url: string;
    confidence: number;
}
export interface CommentIngester {
    ingestComments(comments: PRComment[]): ArchitecturalDecision[];
}
/**
 * Parses a stream of PR comments and filters out noise ("LGTM", "typo")
 * to identify major architectural decisions ("we chose x over y because z").
 */
export declare class DecisionExtractor implements CommentIngester {
    private decisionKeywords;
    private noiseKeywords;
    ingestComments(comments: PRComment[]): ArchitecturalDecision[];
    private extractSummary;
}
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