export declare const ID_SEPARATOR = "\0";
export interface IndexHit {
    uri: string;
    id: string;
}
/**
 * Facade for an index that supports adding items of a given type and returning hits as an array
 * of uri/id pairs
 */
export interface TypedIndex<SourceType = unknown> {
    search: (query: string) => Promise<ReadonlyArray<IndexHit>>;
    add: (item: SourceType, uri: string) => Promise<this>;
}
/**
 * Interface for the top-level document search index
 */
export interface SearchIndex {
    search: (query: string) => Promise<SearchHits | false>;
}
/**
 * Collection of Gherkin node ids that matched a search term for a single document, grouped by
 * node type
 */
export interface DocumentSearchHits {
    feature: boolean;
    background: Array<string>;
    rule: Array<string>;
    scenario: Array<string>;
    step: Array<string>;
}
export type SearchHits = ReadonlyMap<string, DocumentSearchHits>;
/**
 * Collection of Gherkin node ids harvested from executed test cases, grouped by node type
 * @remarks
 * In the case of `gherkinDocument`, the values are URIs
 */
export interface LineageConstraints {
    gherkinDocument: ReadonlySet<string>;
    background: ReadonlySet<string>;
    rule: ReadonlySet<string>;
    scenario: ReadonlySet<string>;
    examples: ReadonlySet<string>;
    example: ReadonlySet<string>;
}
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