/**
 * PPT Generation Error Class & Codes
 *
 * Defined in the feature directory (not src/lib/types/) because PPTError is a
 * runtime class extending NeuroLinkError. Putting runtime classes in
 * src/lib/types/ creates a circular dependency: NeuroLinkError lives in
 * utils/errorHandling.ts which imports from the types barrel, which would
 * then re-export ppt.ts which extends NeuroLinkError → TDZ at runtime.
 *
 * Follows the same pattern as VideoError in vertexVideoHandler.ts.
 */
import { NeuroLinkError } from "../../utils/errorHandling.js";
/**
 * PPT generation error codes
 */
export declare const PPT_ERROR_CODES: {
    /** Content planning AI call failed */
    readonly PLANNING_FAILED: "PPT_PLANNING_FAILED";
    /** AI returned invalid/unparseable response */
    readonly INVALID_AI_RESPONSE: "PPT_INVALID_AI_RESPONSE";
    /** Image generation for slide failed */
    readonly IMAGE_GENERATION_FAILED: "PPT_IMAGE_GENERATION_FAILED";
    /** PPTX file assembly failed */
    readonly ASSEMBLY_FAILED: "PPT_ASSEMBLY_FAILED";
    /** File system write failed */
    readonly FILE_WRITE_FAILED: "PPT_FILE_WRITE_FAILED";
    /** Invalid input options */
    readonly INVALID_INPUT: "PPT_INVALID_INPUT";
    /** Generation timeout */
    readonly TIMEOUT: "PPT_TIMEOUT";
};
/**
 * PPT generation error class.
 * Extends NeuroLinkError for consistent error handling (follows VideoError pattern).
 */
export declare class PPTError extends NeuroLinkError {
    constructor(message: string, code: string, context?: Record<string, unknown>, originalError?: Error);
}