export type QdfObject = {
  id: string;
  number: number;
  body: string;
  bodyStart: number;
  start: number;
  end: number;
};

export type ContentStreamToken = {
  type: string;
  value: string;
  raw?: string;
  start: number;
  end: number;
};

export type ContentStreamOperator = {
  operator: string;
  operands: ContentStreamToken[];
  start: number;
  operandStart: number;
  operatorStart: number;
  operatorEnd: number;
  end: number;
};

export type QdfReplacement = {
  start: number;
  end: number;
  text: string;
};

export type QdfPatchPlan = {
  ok?: boolean;
  replacements: QdfReplacement[];
  reason?: string;
  source?: unknown;
};

export type RunQpdfBytesOptions = {
  inputs: Record<string, Uint8Array | ArrayBuffer | ArrayBufferView>;
  args: string[];
  outputName: string;
  workerUrl: string;
  qpdfJsUrl: string;
  wasmUrl: string;
  timeoutMs?: number;
};

export function parsePdfObjects(qdf: string): Map<string, QdfObject>;

export function parseContentStreamOperators(streamText: string): ContentStreamOperator[];
export function inspectQdfPageSourceProgram(qdf: string, options?: { pageNum?: number; page?: number }): any;
export function planQdfTextReplacement(qdf: string, options?: { pageNum?: number; page?: number; findText?: string; originalText?: string; replacementText?: string }): QdfPatchPlan;
export function applyQdfPatch(qdf: string, patch: QdfPatchPlan | QdfReplacement[]): string;
export function repairQdfStreamLengths(qdf: string): string;
export function repairQdfXref(qdf: string): string;
export function runQpdfBytes(options: RunQpdfBytesOptions): Promise<Uint8Array>;