import { InvocationContext } from '../../agents/InvocationContext';
import { Content } from '../../models/types';
/**
 * A class to handle audio transcription.
 */
export declare class AudioTranscriber {
    /**
     * Transcribe the audio data from the invocation context.
     *
     * @param invocationContext The invocation context containing transcription cache
     * @returns Transcribed content suitable for sending to the model
     */
    transcribeFile(invocationContext: InvocationContext): Content[];
}