import type { PDFDocumentProxy } from 'pdfjs-dist';
import type { InMemoryPngPageOutput, PngPageOutput } from './interfaces/index.js';
import type { PageMode } from './pageMode.js';
/** The two `PageMode`s that involve an actual render (everything except `metadata`). */
export type RenderedPageMode = Exclude<PageMode, {
    kind: 'metadata';
}>;
export declare function resolvePageName(pageNumber: number, defaultMask: string, outputFileMaskFunc: ((page: number) => string) | undefined): string;
/**
 * Applies the output half of a page's lifecycle to an already-rendered page: pass-through for
 * in-memory mode, or sink write + content trimming for file mode. Split out from
 * `processAndSavePage` so worker-thread conversions — where rendering happens off-thread but
 * output must stay on the main thread (path-security guards live here) — reuse the exact same
 * output logic.
 */
export declare function finalizePageOutput(pageOutput: InMemoryPngPageOutput, mode: RenderedPageMode): Promise<PngPageOutput>;
/**
 * Returns whether a rendered page must materialize its PNG Buffer. `file` mode always does (the
 * bytes are needed for the write); `content` mode only when the caller asked to keep it.
 */
export declare function shouldMaterializeContent(mode: RenderedPageMode): boolean;
export declare function processAndSavePage(pdfDocument: PDFDocumentProxy, pageName: string, pageNumber: number, pageViewportScale: number, mode: PageMode): Promise<PngPageOutput>;