import { VfsItem } from "@iyio/vfs";
/**
 * An inclusive range selection of page indexes
 */
export interface ConvoDocRange {
    from: number;
    to: number;
}
export type ConvoDocRangeOptions = number | number | ConvoDocRange | null | undefined | 'all' | (number | number | ConvoDocRange | null | undefined | 'all')[];
export type ConvoDocOutputTarget = 'firstPage' | 'lastPage' | 'all';
export interface ConvoDocSelectStatement {
    /**
     * Controls the range of pages selected. A value of undefined is equivalent to "all"
     */
    range?: ConvoDocRangeOptions;
    /**
     * If true the select statement is applied per page and if false the select statement is
     * applied once for all pages selected by the range.
     */
    perPage?: boolean;
    /**
     * Controls which pass the select statement is included. Each pass will have access to the
     * previous pass outputs.
     */
    pass?: number;
    /**
     * A natural language statement that must be true for the selected range in order for output
     * to be produced
     */
    requirement?: string;
    /**
     * A convo script that when evaluated should set the `__return` to true.
     */
    requirementConvo?: string;
    /**
     * Natural language instructions about what to generate as output
     */
    generate?: string;
    /**
     * A convo script that is used to generate the output of the select. The value of the last
     * function call will be used as the output.
     */
    generateConvo?: string;
    /**
     * text/plain or application/json will be used by default based on the generated output.
     */
    outputContentType?: string;
    /**
     * A prefix to be added before the output of the select when used in a prompt
     */
    outputPrefix?: string;
    /**
     * A suffix to be added after the output of the select when used in a prompt
     */
    outputSuffix?: string;
    /**
     * @default "firstPage"
     */
    outputTarget?: ConvoDocOutputTarget;
    /**
     * Will set the type of the output generated by the select
     */
    outputType?: string;
}
/**
 * Used to define queries against a document or collection of document using natural language.
 */
export interface ConvoDocQuery {
    src: VfsItem | string;
    /**
     * If true each page will be converted to markdown using a vision model as the first pass of
     * selection.
     */
    visionPass?: boolean;
    /**
     * If true each page will be converted to text using a document reader.
     */
    textPass?: boolean;
    select?: ConvoDocSelectStatement[];
    /**
     * Used to break cached results
     */
    salt?: string;
}
export declare const convoDocResultFormatVersion = 2;
export interface ConvoDocQueryResult {
    outputs: ConvoDocOutput[];
    pages: ConvoDocPageResult[];
}
export interface ConvoDocPageResult {
    index: number;
}
export interface ConvoDocOutput {
    id: number;
    /**
     * A prefix to be added before the output when used in a prompt
     */
    prefix?: string;
    /**
     * A suffix to be added after the output when used in a prompt
     */
    suffix?: string;
    /**
     * If empty the output is an output of the entire document
     */
    pageIndexes: number[];
    /**
     * Can be a reference to library specific page handlers
     */
    pageSrc?: any;
    /**
     * Output of the select statement that created the output.
     */
    output: any;
    /**
     * Use text/plain if not sure what to use
     */
    contentType: string;
    /**
     * A generic type that can be used to categorize the output
     * @default "content"
     */
    type: string;
    /**
     * The pass the output was generated in. Pass -1 is the default vision pass
     */
    pass: number;
}
export interface ConvoDocReader {
    pageToImageAsync?: (pageIndex: number, format?: string) => Blob | undefined | Promise<Blob | undefined>;
    pageToTextAsync?: (pageIndex: number) => string | undefined | Promise<string | undefined>;
    dispose?: () => void;
    getPageCountAsync: () => number | Promise<number>;
}
export type ConvoDocReaderFactory = (contentType: string, url: string, src: VfsItem | string) => ConvoDocReader | undefined | Promise<ConvoDocReader | undefined>;