import { DocumentExtraction } from './documentText';
import { DocumentFormat } from './attachments';
export interface ExtractedDocument {
    extraction: DocumentExtraction;
    /**
     * Already trimmed to the per-file limit passed in (`MAX_INLINE_CHARS_PER_FILE`
     * by default). Absent unless status is 'ok'.
     */
    textContent?: string;
    /** True when `textContent` is a prefix of what the document actually holds. */
    textTruncated?: boolean;
    /** Page-per-entry text, for the shared budget's page-aligned re-trim. PDFs only. */
    documentPages?: string[];
}
/**
 * Pull text out of a document, never throwing.
 *
 * A failure here must not fail the ATTACHMENT: the file still uploads, the
 * model still gets its URL, and the reason we could not read it becomes a
 * sentence in the prompt. Throwing would instead surface as the composer's
 * generic 'unreadable' rejection, and the user would lose the file over
 * something that is only a partial loss.
 */
export declare function extractDocumentText(file: File, format: DocumentFormat, 
/**
 * How much of the text to keep (BOFF-7334). Defaults to the shared per-file
 * limit; the composer passes the largest limit among the modes on offer —
 * see `largestInlineCharsPerFile`.
 */
perFileChars?: number): Promise<ExtractedDocument>;
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