export type SpineSectionName = 'Invariants' | 'Explicitly Rejected Patterns' | 'Taste Calls Made';
export type SpineIdPrefix = 'INV' | 'REJ' | 'TST';
export interface SpineEntry {
    id: string;
    date: string;
    sessionId: string;
    description: string;
}
export interface SpineSection {
    name: SpineSectionName;
    prefix: SpineIdPrefix;
    entries: SpineEntry[];
}
export interface SpineDocument {
    sections: SpineSection[];
    trailer: string;
}
export declare function parseSpine(content: string): SpineDocument;
export declare function serializeSpine(doc: SpineDocument): string;
export declare function nextId(doc: SpineDocument, prefix: SpineIdPrefix): string;
export declare function readSpine(repoRoot: string): SpineDocument | null;
export declare function writeSpine(repoRoot: string, doc: SpineDocument): void;
export declare function sectionForPrefix(doc: SpineDocument, prefix: SpineIdPrefix): SpineSection;
export declare function addEntry(doc: SpineDocument, prefix: SpineIdPrefix, sessionId: string, description: string, date?: string): string;
export declare function findEntry(doc: SpineDocument, id: string): SpineEntry | undefined;