/**
 * Shared domain types used across multiple modules.
 *
 * This module exists to break circular dependencies between
 * constants.ts, SourceConfigResolver.ts, IndexBuilder.ts, etc.
 */
/**
 * Represents a single content record, identified by a slug.
 */
export type SourceRecord = {
    slug: string;
    raw: string;
    [key: string]: any;
};
/**
 * Direct relation to another source.
 */
export type DirectRelation = {
    to: string;
    localKey: string;
    foreignKey: string;
    type: "hasOne" | "hasMany" | "belongsTo" | "belongsToMany";
};
/**
 * Through (intermediate) relation to another source.
 */
export type ThroughRelation = {
    to: string;
    through: string;
    sourceLocalKey: string;
    throughForeignKey: string;
    throughLocalKey: string;
    targetForeignKey: string;
    type: "hasOneThrough" | "hasManyThrough";
};
/**
 * Any supported relation type.
 */
export type Relation = DirectRelation | ThroughRelation;
/**
 * Represents a file diff entry (for incremental index updates).
 */
export type DiffEntry = {
    status: "A" | "D" | "M";
    source: string;
    slug: string;
    fields?: Record<string, unknown>;
};
/**
 * Relation map for direct relations (used during index building).
 */
export type DirectRelationMap = {
    foreignMap: Map<string, SourceRecord[]>;
};
/**
 * Relation map for through relations (used during index building).
 */
export type ThroughRelationMap = {
    targetMap: Map<string, SourceRecord[]>;
    throughMap: Map<string, SourceRecord[]>;
};