import type { WordTiming } from "./interaction-policy.js";
import { ErrorCategory } from "./packets.js";
import type { UsageRecordedPacket, ConversationMetricPacket, AcousticSignalPacket, AcousticSignal, TurnLocalizationPacket, TurnBoundaryKind, TurnBoundaryEventPacket, DtmfDigit, DtmfReceivedPacket, DtmfSendPacket, CallTransferPacket, CallTransferMode, RecordUserAudioPacket, RecordAssistantAudioDataPacket, RecordAssistantAudioTruncatePacket, VadAudioPacket, SpeechToTextAudioPacket, EndOfSpeechAudioPacket, EndOfSpeechPacket, TurnEndOwner, TurnEndReason, SttPartialPacket, SttResultPacket, FinalizeSttPacket, UserInputPacket, TextToSpeechTextPacket, TextToSpeechDonePacket, TtsErrorPacket, InterruptionDetectedPacket, InterruptionSource, InterruptTtsPacket, InterruptLlmPacket, InterruptSttPacket, InjectMessagePacket, SttReconfigurePacket, LlmDeltaPacket, LlmResponseDonePacket, ReasoningSuspendedPacket, ReasoningResumePacket, StartIdleTimeoutPacket, StopIdleTimeoutPacket, ModeSwitchRequestedPacket, InteractionBackchannelPacket, InteractionDuckPacket, InteractionResumePacket } from "./packets.js";
import type { SttReconfigurePartial } from "./plugin-contract.js";
export declare function parseDtmfDigit(raw: string): DtmfDigit | null;
export declare function dtmfReceived(contextId: string, timestampMs: number, digit: DtmfDigit, provider: DtmfReceivedPacket["provider"], rawDigit: string): DtmfReceivedPacket;
/** Validate + build a `dtmf.send` packet. Throws on empty/invalid digit strings. */
export declare function dtmfSend(contextId: string, timestampMs: number, digits: string): DtmfSendPacket;
/** Build a `call.transfer` packet. */
export declare function callTransfer(contextId: string, timestampMs: number, mode: CallTransferMode, target: string, summary?: string): CallTransferPacket;
export declare function metric(contextId: string, name: string, value: string, timestampMs?: number): ConversationMetricPacket;
export declare function acousticSignal(contextId: string, timestampMs: number, signal: AcousticSignal, payload?: Readonly<Record<string, unknown>>): AcousticSignalPacket;
export declare function turnLocalization(contextId: string, timestampMs: number, value: TurnLocalizationPacket["value"], infrastructureBreached: boolean, conversationFlagged: boolean): TurnLocalizationPacket;
export declare function usageRecorded(contextId: string, fields: Omit<UsageRecordedPacket, "kind" | "contextId" | "timestampMs">, timestampMs?: number): UsageRecordedPacket;
export declare function turnBoundary(contextId: string, timestampMs: number, fields: {
    boundary: TurnBoundaryKind;
    sessionId: string;
    speechId: string;
    monotonicMs: number;
    provider?: string;
    model?: string;
    region?: string;
    cancelled?: boolean;
    requestId?: string;
}): TurnBoundaryEventPacket;
export declare function recordUserAudio(contextId: string, timestampMs: number, audio: Uint8Array): RecordUserAudioPacket;
export declare function vadAudio(contextId: string, timestampMs: number, audio: Uint8Array): VadAudioPacket;
export declare function sttAudio(contextId: string, timestampMs: number, audio: Uint8Array): SpeechToTextAudioPacket;
export declare function sttPartial(contextId: string, timestampMs: number, text: string, wordTimings?: readonly WordTiming[]): SttPartialPacket;
export declare function eosAudio(contextId: string, timestampMs: number, audio: Uint8Array): EndOfSpeechAudioPacket;
export declare function eosTurnComplete(contextId: string, timestampMs: number, text: string, transcripts: readonly SttResultPacket[], endpointing?: {
    readonly owner: TurnEndOwner;
    readonly reason: TurnEndReason;
}): EndOfSpeechPacket;
export declare function finalizeStt(contextId: string, timestampMs: number): FinalizeSttPacket;
export declare function userInput(contextId: string, timestampMs: number, text: string, language: string): UserInputPacket;
export declare function ttsText(contextId: string, timestampMs: number, text: string): TextToSpeechTextPacket;
export declare function ttsDone(contextId: string, timestampMs: number, text: string): TextToSpeechDonePacket;
export declare function recordAssistantAudio(contextId: string, timestampMs: number, audio: Uint8Array, sampleRateHz: number): RecordAssistantAudioDataPacket;
export declare function recordAssistantTruncate(contextId: string, timestampMs: number): RecordAssistantAudioTruncatePacket;
export declare function interruptDetected(contextId: string, timestampMs: number, source: InterruptionSource): InterruptionDetectedPacket;
export declare function interruptTts(contextId: string, timestampMs: number): InterruptTtsPacket;
export declare function interruptLlm(contextId: string, timestampMs: number): InterruptLlmPacket;
export declare function interruptStt(contextId: string, timestampMs: number): InterruptSttPacket;
export declare function ttsError(contextId: string, timestampMs: number, cause: Error, category: ErrorCategory, isRecoverable: boolean): TtsErrorPacket;
export declare function injectMessage(contextId: string, timestampMs: number, text: string, mode?: InjectMessagePacket["mode"]): InjectMessagePacket;
export declare function sttReconfigure(contextId: string, timestampMs: number, partial: SttReconfigurePartial): SttReconfigurePacket;
export declare function llmDelta(contextId: string, timestampMs: number, text: string): LlmDeltaPacket;
export declare function llmDone(contextId: string, timestampMs: number, text: string): LlmResponseDonePacket;
export declare function reasoningSuspended(contextId: string, timestampMs: number, runId: string, payload: unknown, prompt?: string): ReasoningSuspendedPacket;
export declare function reasoningResume(contextId: string, timestampMs: number, runId: string, data: unknown): ReasoningResumePacket;
export declare function startIdleTimeout(contextId: string, timestampMs: number): StartIdleTimeoutPacket;
export declare function stopIdleTimeout(contextId: string, timestampMs: number, resetCount: boolean): StopIdleTimeoutPacket;
export declare function modeSwitchRequested(contextId: string, timestampMs: number, mode: "text" | "audio"): ModeSwitchRequestedPacket;
export declare function interactionBackchannel(contextId: string, timestampMs: number, cue: string): InteractionBackchannelPacket;
export declare function interactionDuck(contextId: string, timestampMs: number): InteractionDuckPacket;
export declare function interactionResume(contextId: string, timestampMs: number): InteractionResumePacket;
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