/**
 * Leaper Agent – Transcription Tool
 * Multi-provider audio/video transcription with Whisper, Groq, OpenAI, etc.
 */
import type { ToolDefinition } from './registry.js';
export type TranscriptionProvider = 'local' | 'groq' | 'openai' | 'mistral' | 'auto';
export interface TranscriptionOptions {
    file_path: string;
    provider?: TranscriptionProvider;
    language?: string;
    prompt?: string;
    timestamps?: boolean;
    diarize?: boolean;
}
export interface TranscriptionSegment {
    start: number;
    end: number;
    text: string;
    speaker?: string;
}
export interface TranscriptionResult {
    success: boolean;
    text?: string;
    segments?: TranscriptionSegment[];
    language?: string;
    duration?: number;
    provider?: string;
    error?: string;
}
export declare function isSupportedAudioFile(filePath: string): boolean;
export declare function detectTranscriptionProvider(): TranscriptionProvider;
export declare function transcribeGroq(opts: TranscriptionOptions): Promise<TranscriptionResult>;
export declare function transcribeOpenAI(opts: TranscriptionOptions): Promise<TranscriptionResult>;
export declare function transcribeLocal(opts: TranscriptionOptions): Promise<TranscriptionResult>;
export declare function transcribeAudio(opts: TranscriptionOptions): Promise<TranscriptionResult>;
export declare function segmentsToSRT(segments: TranscriptionSegment[]): string;
export declare function segmentsToVTT(segments: TranscriptionSegment[]): string;
export declare const transcriptionTool: ToolDefinition;
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