import { AgentContextRequest, AiChatModelSelection, UpsertContextStatusError } from './ai-agent.public-types';
import { AiEmbeddingsModelSelection, AiRerankProvider } from './ai-common.public-types';
import { AiContextId, AiKnowledgeBaseId, AppId } from './communication.public-types';
import { DocumentExtractionMethod } from './extraction.public-types';
import { MetadataAndFilter, MetadataFieldFilter, MetadataFilter, MetadataOrFilter, MetadataSimpleFilter, MetadataValue, MetadataValueArray } from './metadata-filter.public-types';
/**
 * The set of supported vector store backends for a knowledge base. The authoritative backend for a
 * given KB is persisted on its record; reads/writes route through the matching vector provider.
 * @category AI
 */
export declare const VECTOR_DB_TYPES: readonly ["postgres", "mongoAtlas"];
/**
 * A vector store backend identifier. See {@link VECTOR_DB_TYPES}.
 * @category AI
 */
export type VectorDbType = (typeof VECTOR_DB_TYPES)[number];
/**
 * Represents an AI knowledge base that can be attached to an AI agent.
 * @category AI
 */
export interface AiKnowledgeBase {
    /** The unique identifier of the knowledge base.*/
    id: AiKnowledgeBaseId;
    /** The app id that the knowledge base belongs to. */
    appId: AppId;
    /** The user's description of the knowledge base */
    description: string;
    /** A set of predefined metadata fields for the knowledge base that can be used for filtering.*/
    metadataFields: Array<AiKnowledgeBaseMetadataField>;
    /** The embedding model that should be used for this knowledge base.*/
    embeddingModel: AiEmbeddingsModelSelection;
    /** The model name that should be used when asking questions of this knowledge base. */
    chatModel: AiChatModelSelection;
    /**
     * The vector store backend this knowledge base reads/writes from. Set at creation (defaulting to
     * the server's `SQUID_DEFAULT_VECTOR_DB_TYPE`, otherwise `'postgres'`) and immutable thereafter.
     * Optional on the read type for backwards compatibility with older records.
     */
    vectorDbType?: VectorDbType;
    /** The timestamp the knowledge base was last updated */
    updatedAt: Date;
}
/**
 * Represents a field in an AI knowledge base metadata.
 */
export interface AiKnowledgeBaseMetadataField {
    /** The name of field.*/
    name: string;
    /**
     * The field data type - used for validation and filtering. `date` values are normalized to integer
     * epoch milliseconds at write time so range filters (`$gt`/`$lt`) work across vector store backends.
     * `array` is not yet supported and is rejected at knowledge-base upsert time.
     */
    dataType: 'string' | 'number' | 'boolean' | 'date' | 'array';
    /** Indicates if the field is required for knowledge base entries.*/
    required: boolean;
    /**
     * In case that the field is required and not provided when uploaded to the knowledge base,
     * this description will be used for extracting the value from the document.
     * Also, it will be used for auto filtering when a prompt is sent to an AI agent.
     */
    description?: string;
    /**
     * True when {@link description} was AI-generated (via `generateMetadataFieldDescriptions`). Undefined or
     * false means the description was authored by a human or has not been generated yet; it clears back to
     * false once a human edits the description.
     */
    descriptionGeneratedByAi?: boolean;
}
/**
 * A record of metadata key-value pairs for AI context, where values are primitive types or undefined.
 * @category AI
 */
export type AiContextMetadata = Record<string, AiContextMetadataValue>;
/**
 * @category AI
 * @deprecated Use {@link MetadataValue} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataValue = MetadataValue;
/**
 * @category AI
 * @deprecated Use {@link MetadataValueArray} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataValueArray = MetadataValueArray;
/**
 * @category AI
 * @deprecated Use {@link MetadataSimpleFilter} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataSimpleFilter = MetadataSimpleFilter;
/**
 * A filter for AI context metadata based on field-specific conditions or values.
 * @category AI
 * @deprecated Use {@link MetadataFieldFilter} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataFieldFilter = MetadataFieldFilter;
/**
 * A filter combining multiple AI context metadata filters with a logical AND operation.
 * @category AI
 * @deprecated Use {@link MetadataAndFilter} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataAndFilter = MetadataAndFilter;
/**
 * A filter combining multiple AI context metadata filters with a logical OR operation.
 * @category AI
 * @deprecated Use {@link MetadataOrFilter} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataOrFilter = MetadataOrFilter;
/**
 * Retrieval mode for a knowledge-base search.
 * - `'vector'`: dense-only similarity.
 * - `'hybrid'`: native fusion of dense + lexical (only distinct on backends with native fusion, e.g.
 *   Mongo Atlas; on pgvector it degrades to dense + a legacy app-side keyword fallback).
 * - `'keyword'`: embedding-free lexical retrieval; the mechanism is backend-specific — native Lucene BM25
 *   on Mongo Atlas (ranked, term-optional: a partial-term query still matches), and a boolean substring
 *   filter on pgvector (every term must appear literally; unranked).
 * @category AI
 */
export type AiKnowledgeBaseSearchMode = 'vector' | 'hybrid' | 'keyword';
/**
 * The options for the AI knowledgebase search method.
 * @category AI
 */
export interface AiKnowledgeBaseChatOptions {
    /** A set of filters that will limit the context the AI can access. */
    contextMetadataFilter?: AiContextMetadataFilter;
    /** Whether to include references from the source context in the response. Default to false. */
    includeReference?: boolean;
    /** Include metadata in the context */
    includeMetadata?: boolean;
    /** Which provider's reranker to use for reranking the context. Defaults to 'cohere'. */
    rerankProvider?: AiRerankProvider;
    /** The maximum number of results to return. Defaults to 30 */
    limit?: number;
    /** How many chunks to look over. Defaults to 100 */
    chunkLimit?: number;
    /** Which chat model to use when asking the question */
    chatModel?: AiChatModelSelection;
    /**
     * Selects how the underlying vector store generates candidates:
     * - `'hybrid'` (default): fuses dense vector and keyword candidates when the backend supports it
     *   (Mongo Atlas uses `$rankFusion`; backends without native fusion fall back to dense-only with
     *   the legacy app-side keyword fallback).
     * - `'vector'`: dense-only — skips native fusion even on backends that support it.
     * - `'keyword'`: embedding-free lexical retrieval; the mechanism is backend-specific. On Mongo Atlas it
     *   is native Lucene BM25 (`$search`): results are ranked by relevance and term-optional — a partial-term
     *   query still returns its best matches. On Postgres it is a boolean substring filter (`ILIKE ALL`):
     *   every whitespace-separated term must appear in a chunk as a literal, case-insensitive substring,
     *   matched independently (order, adjacency and relevance are NOT considered), so results are unranked and
     *   for broad terms the returned top-k is arbitrary. Both skip embedding, dense, reranking and the
     *   app-side keyword fallback. Lets an agent (or an eval) target exact tokens — identifiers, names, codes
     *   — that dense retrieval tends to miss.
     *
     * Intended to let A/B evaluations compare dense-only, hybrid and boolean-keyword candidate generation
     * on the same backend.
     */
    searchMode?: AiKnowledgeBaseSearchMode;
    /**
     * Per-pipeline weights for native hybrid fusion (Mongo `$rankFusion.combination.weights`). Only
     * applies when `searchMode` is `'hybrid'` on a backend with native fusion; ignored otherwise.
     * Each value must be a finite non-negative number; an omitted key defaults to `1` (the MongoDB
     * default). Useful for A/B evaluating dense-vs-keyword weighting on the same backend.
     */
    hybridWeights?: AiHybridSearchWeights;
}
/**
 * Per-pipeline weights for native hybrid fusion. Sub-keys mirror the `$rankFusion` pipeline names.
 * @category AI
 */
export interface AiHybridSearchWeights {
    /** Weight for the dense vector sub-pipeline. Defaults to `1`. */
    vector?: number;
    /** Weight for the BM25 keyword sub-pipeline. Defaults to `1`. */
    keyword?: number;
}
/**
 * @category AI
 * @deprecated Use {@link MetadataFilter} from `metadata-filter.public-types` instead.
 */
export type AiContextMetadataFilter = MetadataFilter;
/**
 * Represents an AI knowledge base's context entry with metadata and content.
 * @category AI
 */
export interface AiKnowledgeBaseContext {
    /** The unique identifier of the context entry. */
    id: string;
    /** The application id of the context entry */
    appId: AppId;
    /** The knowledge base id of the context entry */
    knowledgeBaseId: AiKnowledgeBaseId;
    /** The date and time the context was created. */
    createdAt: Date;
    /** The date and time the context was last updated. */
    updatedAt: Date;
    /** The type of context (e.g., 'text' or 'file'). */
    type: AiKnowledgeBaseContextType;
    /** A title describing the context content. */
    title: string;
    /** The text content of the context. */
    text: string;
    /** Indicates whether the context is a preview; defaults to false. */
    preview: boolean;
    /** The size of the context content in bytes. */
    sizeBytes: number;
    /** Metadata associated with the context. */
    metadata: AiContextMetadata;
    /**
     * Names of metadata fields whose stored values were machine-extracted from the content
     * (driven by the knowledge base's `metadataFields` schema) rather than user-supplied.
     * On re-upsert/replay, extracted values count as not-supplied (re-extracted fresh) while
     * user-supplied values are preserved; consumers can also use this to caveat extracted values.
     */
    autoExtractedMetadataFields?: string[];
    /** Original request configuration for how the context content was processed. */
    requestConfig?: AgentContextRequest;
}
/**
 * @category AI
 */
export type AiKnowledgeBaseContextType = 'text' | 'file';
/**
 * @category AI
 */
export type AiKnowledgeBaseContextRequest = AiKnowledgeBaseTextContextRequest | AiKnowledgeBaseFileContextRequest;
interface BaseAiKnowledgeBaseContextRequest {
    contextId: string;
    type: AiKnowledgeBaseContextType;
    metadata?: AiContextMetadata;
}
/**
 * Base options for upserting text content into the AI agent's context.
 * @category AI
 */
export interface AiKnowledgeBaseContextTextOptions extends BaseAiKnowledgeBaseContextOptions {
}
/**
 * Base options for upserting file content into the AI agent's context.
 * @category AI
 */
export interface AiKnowledgeBaseContextFileOptions extends BaseAiKnowledgeBaseContextOptions {
}
/**
 * Hint about the format of a text context payload.
 *
 * - `auto`: detect the format from the content (default).
 * - `markdown`: treat the text as Markdown — image references will be extracted if `extractImages` is true.
 * - `html`: treat the text as HTML — `<img>` tags will be extracted if `extractImages` is true.
 * - `plain`: treat the text as plain text — no image extraction is performed even if `extractImages` is true.
 *
 * @category AI
 */
export type AiKnowledgeBaseTextFormat = 'auto' | 'markdown' | 'html' | 'plain';
/**
 * Request structure for adding text-based context to an AI agent.
 * @category AI
 */
export interface AiKnowledgeBaseTextContextRequest extends BaseAiKnowledgeBaseContextRequest {
    /** The id of the context */
    contextId: AiContextId;
    /** Specifies the context type as 'text'. */
    type: 'text';
    /** A title for the text context. */
    title: string;
    /** The text content to add to the context. */
    text: string;
    /**
     * Hint about the format of the text. If omitted (or `'auto'`), the format is sniffed from the content.
     * Only `'markdown'` and `'html'` (or `'auto'` with content that looks like markdown/HTML) participate in
     * image extraction when `extractImages` is true.
     */
    format?: AiKnowledgeBaseTextFormat;
    /**
     * Whether to extract images embedded in markdown/HTML text. Defaults to false.
     *
     * When true and the text is detected as (or declared to be) markdown/HTML, image references inside the
     * text (`![alt](url)` or `<img src="...">`) are fetched, stored, and have descriptions generated
     * just like images extracted from a PDF.
     *
     * Has no effect for plain text.
     */
    extractImages?: boolean;
    /** Minimum width/height (in pixels) for an image to be kept. Smaller images are skipped. */
    imageMinSizePixels?: number;
    /** The AI model to use for generating image descriptions, if specified. */
    imageExtractionModel?: AiChatModelSelection;
    /** General options for how to process the text. */
    options?: AiKnowledgeBaseContextTextOptions;
}
/**
 * Request structure for adding file-based context to an AI agent.
 * @category AI
 */
export interface AiKnowledgeBaseFileContextRequest extends BaseAiKnowledgeBaseContextRequest {
    /** The id of the context */
    contextId: AiContextId;
    /** Specifies the context type as 'file'. */
    type: 'file';
    /** Whether to extract images from the file; defaults to false. */
    extractImages?: boolean;
    /** The minimum size for extracted images, if applicable. */
    imageMinSizePixels?: number;
    /** The AI model to use for extraction, if specified. */
    imageExtractionModel?: AiChatModelSelection;
    /** General options for how to process the file. */
    options?: AiKnowledgeBaseContextFileOptions;
    /** The preferred method for extracting data from the document. */
    preferredExtractionMethod?: DocumentExtractionMethod;
    /**
     * Whether Squid keeps or discards the original file.
     *
     * Keeping the original file allows reprocessing and the ability for the user to download it later.
     *
     * Defaults to false.
     */
    discardOriginalFile?: boolean;
}
/**
 * @category AI
 */
export declare const RAG_TYPES: readonly ["contextual", "basic"];
/**
 * @category AI
 */
export type AiRagType = (typeof RAG_TYPES)[number];
/**
 * Base options for how to deal with the content being upserted.
 * @category AI
 */
export type BaseAiKnowledgeBaseContextOptions = {
    /** The type of RAG to use for the content. */
    ragType?: AiRagType;
    /** Amount of chunk overlap, in characters. */
    chunkOverlap?: number;
};
/**
 * Specific options for the AI knowledgebase search method.
 * @category AI
 */
export interface AiKnowledgeBaseSearchOptions {
    /** The prompt to search for */
    prompt: string;
    /** The maximum number of results to return */
    limit?: number;
    /** Which provider's reranker to use for reranking the context. Defaults to 'cohere'. */
    rerankProvider?: AiRerankProvider;
    /** How many chunks to look over. Defaults to 100 */
    chunkLimit?: number;
    /** Which chat model to use when asking the question */
    chatModel?: AiChatModelSelection;
    /**
     * Selects how the underlying vector store generates candidates:
     * - `'hybrid'` (default): fuses dense vector and keyword candidates when the backend supports it
     *   (Mongo Atlas uses `$rankFusion`; backends without native fusion fall back to dense-only with
     *   the legacy app-side keyword fallback).
     * - `'vector'`: dense-only — skips native fusion even on backends that support it.
     * - `'keyword'`: embedding-free lexical retrieval; the mechanism is backend-specific. On Mongo Atlas it
     *   is native Lucene BM25 (`$search`): results are ranked by relevance and term-optional — a partial-term
     *   query still returns its best matches. On Postgres it is a boolean substring filter (`ILIKE ALL`):
     *   every whitespace-separated term must appear in a chunk as a literal, case-insensitive substring,
     *   matched independently (order, adjacency and relevance are NOT considered), so results are unranked and
     *   for broad terms the returned top-k is arbitrary. Both skip embedding, dense, reranking and the
     *   app-side keyword fallback. Lets an agent (or an eval) target exact tokens — identifiers, names, codes
     *   — that dense retrieval tends to miss.
     *
     * Intended to let A/B evaluations compare dense-only, hybrid and boolean-keyword candidate generation
     * on the same backend.
     */
    searchMode?: AiKnowledgeBaseSearchMode;
    /**
     * Per-pipeline weights for native hybrid fusion (Mongo `$rankFusion.combination.weights`). Only
     * applies when `searchMode` is `'hybrid'` on a backend with native fusion; ignored otherwise.
     * Each value must be a finite non-negative number; an omitted key defaults to `1` (the MongoDB
     * default). Useful for A/B evaluating dense-vs-keyword weighting on the same backend.
     */
    hybridWeights?: AiHybridSearchWeights;
}
/**
 * A single chunk of data returned from an AI search operation.
 * @category AI
 */
export interface AiKnowledgeBaseSearchResultChunk {
    /** The unique identifier of the context. */
    contextId: string;
    /** The data content of the search result chunk. */
    data: string;
    /** Optional metadata associated with the chunk. */
    metadata?: AiContextMetadata;
    /** The relevance score of the chunk, indicating match quality. */
    score: number;
}
/**
 * Response structure for upserting context for an AiKnowledgeBase
 * @category AI
 */
export interface UpsertKnowledgeBaseContextResponse {
    /** List of the upsert status of each item sent in the request. */
    failure?: UpsertContextStatusError;
}
/**
 * Response structure for upserting contexts for an AiKnowledgeBase
 * @category AI
 */
export interface UpsertKnowledgeBaseContextsResponse {
    /** List of the upsert status of each item sent in the request. */
    failures: Array<UpsertContextStatusError>;
}
/**
 * Request structure for searching an AiKnowledgeBase
 * @category AI
 */
export interface AiKnowledgeBaseSearchRequest {
    /** The id of the AiKnowledgeBase */
    knowledgeBaseId: string;
    /** The user prompt to search on */
    prompt: string;
    /** The search options for this search */
    options: AiKnowledgeBaseSearchOptions;
}
/**
 * Request structure for searching AI contexts in the AiKnowledgeBase.
 * @category AI
 */
export interface BaseAiKnowledgeBaseSearchContextsRequest {
    /** The id of the AiKnowledgeBase */
    knowledgeBaseId: AiKnowledgeBaseId;
    /** The maximum number of results to return */
    limit?: number;
    /** A set of filters that will limit the context the AI can access. */
    contextMetadataFilter?: AiContextMetadataFilter;
    /** Whether to rerank the results with AI and provide reasoning - defaults to true */
    rerank?: boolean;
    /** Which chat model to use when doing reranking */
    chatModel?: AiChatModelSelection;
}
/**
 * Request structure for searching AI contexts in the AiKnowledgeBase with prompt.
 * @category AI
 */
export interface AiKnowledgeBaseSearchContextsWithPromptRequest extends BaseAiKnowledgeBaseSearchContextsRequest {
    /** The user prompt to search on */
    prompt: string;
}
/**
 * Request structure for searching AI contexts in the AiKnowledgeBase with an existing context.
 * @category AI
 */
export interface AiKnowledgeBaseSearchContextsWithContextIdRequest extends BaseAiKnowledgeBaseSearchContextsRequest {
    /** The contextId to search with */
    contextId: string;
}
/**
 * A context with reasoning and matching score.
 * @category AI
 */
export interface AiKnowledgeBaseContextWithReasoning {
    /** The actual context */
    context: AiKnowledgeBaseContext;
    /** The reasoning behind why this context was matched - can be undefined if no reasoning was requested */
    reasoning?: string;
    /** The score of the match, ranging from 0 to 100, where 100 is the best match. */
    score: number;
}
/**
 * Response structure for searching contexts in an AiKnowledgeBase.
 * @category AI
 */
export interface AiKnowledgeBaseSearchContextsResponse {
    /** The resulting contexts, with reasoning if it was requested */
    results: Array<AiKnowledgeBaseContextWithReasoning>;
}
/**
 * Request structure for requesting a download link to the context file that you previously provided.
 * @category AI
 */
export interface AiKnowledgeBaseDownloadContextRequest {
    /** The id of the AiKnowledgeBase */
    knowledgeBaseId: string;
    /** The id of the particular AiKnowledgeBaseContext */
    contextId: string;
}
/**
 * Response structure with the URL to download the specified context.
 *
 * Can be undefined if the file is not available in Squid.
 * @category AI
 */
export interface AiKnowledgeBaseDownloadContextResponse {
    /** The URL to download the file, if available. */
    url?: string;
}
/**
 * KnowledgeBase with optional fields, used during upsert
 * @category AI
 */
export type AiEmbeddingsModelWithOptionalFields = Omit<AiKnowledgeBase, 'chatModel' | 'embeddingModel'> & {
    chatModel?: AiKnowledgeBase['chatModel'];
    name?: string;
    embeddingModel?: AiEmbeddingsModelSelection;
};
/**
 * API request for deleting an AiKnowledgeBase
 * @category AI
 */
export interface DeleteAiKnowledgeBaseRequest {
    /** The id of the AiKnowledgeBase */
    id: string;
}
/**
 * API request for upserting an AiKnowledgeBase
 * @category AI
 */
export interface UpsertAiKnowledgeBaseRequest {
    /** The AiKnowledgeBase to upsert */
    knowledgeBase: Omit<AiEmbeddingsModelWithOptionalFields, 'appId' | 'updatedAt'>;
}
/**
 * API request for deleting AiKnowledgeBaseContexts
 * @category AI
 */
export interface DeleteAiKnowledgeBaseContextsRequest {
    /** The id of the AiKnowledgeBase */
    knowledgeBaseId: string;
    /** An array of AiKnowledgeBaseContext ids */
    contextIds: Array<string>;
}
/**
 * API response to list AiKnowledgeBaseContexts
 * @category AI
 */
export interface ListAiKnowledgeBaseContextsResponse {
    /** The list of AiKnowledgeBaseContexts */
    contexts: Array<AiKnowledgeBaseContext>;
}
/**
 * API response for searching an AiKnowledgeBase
 * @category AI
 */
export interface AiKnowledgeBaseSearchResponse {
    /** Array of result chunks from the search */
    chunks: Array<AiKnowledgeBaseSearchResultChunk>;
}
/**
 * Response containing the list of AI knowledge bases in an application.
 * @category AI
 */
export interface ListAiKnowledgeBasesResponse {
    /** All AI knowledge bases defined for the application. */
    knowledgeBases: Array<AiKnowledgeBase>;
}
/** Request to AI-generate descriptions for a KB's metadata fields and return them (the caller persists). */
export interface GenerateMetadataFieldDescriptionsRequest {
    /** The id of the AiKnowledgeBase. */
    knowledgeBaseId: AiKnowledgeBaseId;
    /** Limit generation to these fields; omitted ⇒ all declared fields. */
    fieldNames?: string[];
    /** When true, regenerate fields that already have a description; default false (fill empties only). */
    overwriteExisting?: boolean;
}
/** Response for the AI-generated metadata field descriptions. */
export interface GenerateMetadataFieldDescriptionsResponse {
    /** The (re)generated fields with their new descriptions; not persisted — the caller saves them. */
    fields: Array<GeneratedMetadataFieldDescription>;
}
/** A generated description for a single metadata field. */
export interface GeneratedMetadataFieldDescription {
    /** The name of the metadata field. */
    name: string;
    /** The AI-generated description for the field. */
    description: string;
}
export {};