--- /dev/null
+// Copyright 2019 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Note: this file is purely for documentation. Any contents are not expected
+// to be loaded as the JS file.
+
+/**
+ * The request to detect user's intent.
+ *
+ * @property {string} session
+ * Required. The name of the session this query is sent to. Format:
+ * `projects/<Project ID>/agent/sessions/<Session ID>`. It's up to the API
+ * caller to choose an appropriate session ID. It can be a random number or
+ * some type of user identifier (preferably hashed). The length of the session
+ * ID must not exceed 36 bytes.
+ *
+ * @property {Object} queryParams
+ * Optional. The parameters of this query.
+ *
+ * This object should have the same structure as [QueryParameters]{@link google.cloud.dialogflow.v2.QueryParameters}
+ *
+ * @property {Object} queryInput
+ * Required. The input specification. It can be set to:
+ *
+ * 1. an audio config
+ * which instructs the speech recognizer how to process the speech audio,
+ *
+ * 2. a conversational query in the form of text, or
+ *
+ * 3. an event that specifies which intent to trigger.
+ *
+ * This object should have the same structure as [QueryInput]{@link google.cloud.dialogflow.v2.QueryInput}
+ *
+ * @property {string} inputAudio
+ * Optional. The natural language speech audio to be processed. This field
+ * should be populated iff `query_input` is set to an input audio config.
+ * A single request can contain up to 1 minute of speech audio data.
+ *
+ * @typedef DetectIntentRequest
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.DetectIntentRequest definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const DetectIntentRequest = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * The message returned from the DetectIntent method.
+ *
+ * @property {string} responseId
+ * The unique identifier of the response. It can be used to
+ * locate a response in the training example set or for reporting issues.
+ *
+ * @property {Object} queryResult
+ * The results of the conversational query or event processing.
+ *
+ * This object should have the same structure as [QueryResult]{@link google.cloud.dialogflow.v2.QueryResult}
+ *
+ * @property {Object} webhookStatus
+ * Specifies the status of the webhook request. `webhook_status`
+ * is never populated in webhook requests.
+ *
+ * This object should have the same structure as [Status]{@link google.rpc.Status}
+ *
+ * @typedef DetectIntentResponse
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.DetectIntentResponse definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const DetectIntentResponse = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Represents the parameters of the conversational query.
+ *
+ * @property {string} timeZone
+ * Optional. The time zone of this conversational query from the
+ * [time zone database](https://www.iana.org/time-zones), e.g.,
+ * America/New_York, Europe/Paris. If not provided, the time zone specified in
+ * agent settings is used.
+ *
+ * @property {Object} geoLocation
+ * Optional. The geo location of this conversational query.
+ *
+ * This object should have the same structure as [LatLng]{@link google.type.LatLng}
+ *
+ * @property {Object[]} contexts
+ * Optional. The collection of contexts to be activated before this query is
+ * executed.
+ *
+ * This object should have the same structure as [Context]{@link google.cloud.dialogflow.v2.Context}
+ *
+ * @property {boolean} resetContexts
+ * Optional. Specifies whether to delete all contexts in the current session
+ * before the new ones are activated.
+ *
+ * @property {Object[]} sessionEntityTypes
+ * Optional. The collection of session entity types to replace or extend
+ * developer entities with for this query only. The entity synonyms apply
+ * to all languages.
+ *
+ * This object should have the same structure as [SessionEntityType]{@link google.cloud.dialogflow.v2.SessionEntityType}
+ *
+ * @property {Object} payload
+ * Optional. This field can be used to pass custom data into the webhook
+ * associated with the agent. Arbitrary JSON objects are supported.
+ *
+ * This object should have the same structure as [Struct]{@link google.protobuf.Struct}
+ *
+ * @typedef QueryParameters
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.QueryParameters definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const QueryParameters = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Represents the query input. It can contain either:
+ *
+ * 1. An audio config which
+ * instructs the speech recognizer how to process the speech audio.
+ *
+ * 2. A conversational query in the form of text,.
+ *
+ * 3. An event that specifies which intent to trigger.
+ *
+ * @property {Object} audioConfig
+ * Instructs the speech recognizer how to process the speech audio.
+ *
+ * This object should have the same structure as [InputAudioConfig]{@link google.cloud.dialogflow.v2.InputAudioConfig}
+ *
+ * @property {Object} text
+ * The natural language text to be processed.
+ *
+ * This object should have the same structure as [TextInput]{@link google.cloud.dialogflow.v2.TextInput}
+ *
+ * @property {Object} event
+ * The event to be processed.
+ *
+ * This object should have the same structure as [EventInput]{@link google.cloud.dialogflow.v2.EventInput}
+ *
+ * @typedef QueryInput
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.QueryInput definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const QueryInput = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Represents the result of conversational query or event processing.
+ *
+ * @property {string} queryText
+ * The original conversational query text:
+ * - If natural language text was provided as input, `query_text` contains
+ * a copy of the input.
+ * - If natural language speech audio was provided as input, `query_text`
+ * contains the speech recognition result. If speech recognizer produced
+ * multiple alternatives, a particular one is picked.
+ * - If an event was provided as input, `query_text` is not set.
+ *
+ * @property {string} languageCode
+ * The language that was triggered during intent detection.
+ * See [Language Support](https://dialogflow.com/docs/reference/language)
+ * for a list of the currently supported language codes.
+ *
+ * @property {number} speechRecognitionConfidence
+ * The Speech recognition confidence between 0.0 and 1.0. A higher number
+ * indicates an estimated greater likelihood that the recognized words are
+ * correct. The default of 0.0 is a sentinel value indicating that confidence
+ * was not set.
+ *
+ * You should not rely on this field as it isn't guaranteed to be accurate, or
+ * even set. In particular this field isn't set in Webhook calls and for
+ * StreamingDetectIntent since the streaming endpoint has separate confidence
+ * estimates per portion of the audio in StreamingRecognitionResult.
+ *
+ * @property {string} action
+ * The action name from the matched intent.
+ *
+ * @property {Object} parameters
+ * The collection of extracted parameters.
+ *
+ * This object should have the same structure as [Struct]{@link google.protobuf.Struct}
+ *
+ * @property {boolean} allRequiredParamsPresent
+ * This field is set to:
+ * - `false` if the matched intent has required parameters and not all of
+ * the required parameter values have been collected.
+ * - `true` if all required parameter values have been collected, or if the
+ * matched intent doesn't contain any required parameters.
+ *
+ * @property {string} fulfillmentText
+ * The text to be pronounced to the user or shown on the screen.
+ *
+ * @property {Object[]} fulfillmentMessages
+ * The collection of rich messages to present to the user.
+ *
+ * This object should have the same structure as [Message]{@link google.cloud.dialogflow.v2.Message}
+ *
+ * @property {string} webhookSource
+ * If the query was fulfilled by a webhook call, this field is set to the
+ * value of the `source` field returned in the webhook response.
+ *
+ * @property {Object} webhookPayload
+ * If the query was fulfilled by a webhook call, this field is set to the
+ * value of the `payload` field returned in the webhook response.
+ *
+ * This object should have the same structure as [Struct]{@link google.protobuf.Struct}
+ *
+ * @property {Object[]} outputContexts
+ * The collection of output contexts. If applicable,
+ * `output_contexts.parameters` contains entries with name
+ * `<parameter name>.original` containing the original parameter values
+ * before the query.
+ *
+ * This object should have the same structure as [Context]{@link google.cloud.dialogflow.v2.Context}
+ *
+ * @property {Object} intent
+ * The intent that matched the conversational query. Some, not
+ * all fields are filled in this message, including but not limited to:
+ * `name`, `display_name` and `webhook_state`.
+ *
+ * This object should have the same structure as [Intent]{@link google.cloud.dialogflow.v2.Intent}
+ *
+ * @property {number} intentDetectionConfidence
+ * The intent detection confidence. Values range from 0.0
+ * (completely uncertain) to 1.0 (completely certain).
+ *
+ * @property {Object} diagnosticInfo
+ * The free-form diagnostic info. For example, this field
+ * could contain webhook call latency.
+ *
+ * This object should have the same structure as [Struct]{@link google.protobuf.Struct}
+ *
+ * @typedef QueryResult
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.QueryResult definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const QueryResult = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * The top-level message sent by the client to the
+ * `StreamingDetectIntent` method.
+ *
+ * Multiple request messages should be sent in order:
+ *
+ * 1. The first message must contain `session`, `query_input` plus optionally
+ * `query_params` and/or `single_utterance`. The message must not contain
+ * `input_audio`.
+ *
+ * 2. If `query_input` was set to a streaming input audio config,
+ * all subsequent messages must contain only `input_audio`.
+ * Otherwise, finish the request stream.
+ *
+ * @property {string} session
+ * Required. The name of the session the query is sent to.
+ * Format of the session name:
+ * `projects/<Project ID>/agent/sessions/<Session ID>`. It’s up to the API
+ * caller to choose an appropriate <Session ID>. It can be a random number or
+ * some type of user identifier (preferably hashed). The length of the session
+ * ID must not exceed 36 characters.
+ *
+ * @property {Object} queryParams
+ * Optional. The parameters of this query.
+ *
+ * This object should have the same structure as [QueryParameters]{@link google.cloud.dialogflow.v2.QueryParameters}
+ *
+ * @property {Object} queryInput
+ * Required. The input specification. It can be set to:
+ *
+ * 1. an audio config which instructs the speech recognizer how to process
+ * the speech audio,
+ *
+ * 2. a conversational query in the form of text, or
+ *
+ * 3. an event that specifies which intent to trigger.
+ *
+ * This object should have the same structure as [QueryInput]{@link google.cloud.dialogflow.v2.QueryInput}
+ *
+ * @property {boolean} singleUtterance
+ * Optional. If `false` (default), recognition does not cease until the
+ * client closes the stream.
+ * If `true`, the recognizer will detect a single spoken utterance in input
+ * audio. Recognition ceases when it detects the audio's voice has
+ * stopped or paused. In this case, once a detected intent is received, the
+ * client should close the stream and start a new request with a new stream as
+ * needed.
+ * This setting is ignored when `query_input` is a piece of text or an event.
+ *
+ * @property {string} inputAudio
+ * Optional. The input audio content to be recognized. Must be sent if
+ * `query_input` was set to a streaming input audio config. The complete audio
+ * over all streaming messages must not exceed 1 minute.
+ *
+ * @typedef StreamingDetectIntentRequest
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.StreamingDetectIntentRequest definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const StreamingDetectIntentRequest = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * The top-level message returned from the
+ * `StreamingDetectIntent` method.
+ *
+ * Multiple response messages can be returned in order:
+ *
+ * 1. If the input was set to streaming audio, the first one or more messages
+ * contain `recognition_result`. Each `recognition_result` represents a more
+ * complete transcript of what the user said. The last `recognition_result`
+ * has `is_final` set to `true`.
+ *
+ * 2. The next message contains `response_id`, `query_result`
+ * and optionally `webhook_status` if a WebHook was called.
+ *
+ * @property {string} responseId
+ * The unique identifier of the response. It can be used to
+ * locate a response in the training example set or for reporting issues.
+ *
+ * @property {Object} recognitionResult
+ * The result of speech recognition.
+ *
+ * This object should have the same structure as [StreamingRecognitionResult]{@link google.cloud.dialogflow.v2.StreamingRecognitionResult}
+ *
+ * @property {Object} queryResult
+ * The result of the conversational query or event processing.
+ *
+ * This object should have the same structure as [QueryResult]{@link google.cloud.dialogflow.v2.QueryResult}
+ *
+ * @property {Object} webhookStatus
+ * Specifies the status of the webhook request.
+ *
+ * This object should have the same structure as [Status]{@link google.rpc.Status}
+ *
+ * @typedef StreamingDetectIntentResponse
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.StreamingDetectIntentResponse definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const StreamingDetectIntentResponse = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Contains a speech recognition result corresponding to a portion of the audio
+ * that is currently being processed or an indication that this is the end
+ * of the single requested utterance.
+ *
+ * Example:
+ *
+ * 1. transcript: "tube"
+ *
+ * 2. transcript: "to be a"
+ *
+ * 3. transcript: "to be"
+ *
+ * 4. transcript: "to be or not to be"
+ * is_final: true
+ *
+ * 5. transcript: " that's"
+ *
+ * 6. transcript: " that is"
+ *
+ * 7. recognition_event_type: `RECOGNITION_EVENT_END_OF_SINGLE_UTTERANCE`
+ *
+ * 8. transcript: " that is the question"
+ * is_final: true
+ *
+ * Only two of the responses contain final results (#4 and #8 indicated by
+ * `is_final: true`). Concatenating these generates the full transcript: "to be
+ * or not to be that is the question".
+ *
+ * In each response we populate:
+ *
+ * * for `MESSAGE_TYPE_TRANSCRIPT`: `transcript` and possibly `is_final`.
+ *
+ * * for `MESSAGE_TYPE_END_OF_SINGLE_UTTERANCE`: only `event_type`.
+ *
+ * @property {number} messageType
+ * Type of the result message.
+ *
+ * The number should be among the values of [MessageType]{@link google.cloud.dialogflow.v2.MessageType}
+ *
+ * @property {string} transcript
+ * Transcript text representing the words that the user spoke.
+ * Populated if and only if `event_type` = `RECOGNITION_EVENT_TRANSCRIPT`.
+ *
+ * @property {boolean} isFinal
+ * The default of 0.0 is a sentinel value indicating `confidence` was not set.
+ * If `false`, the `StreamingRecognitionResult` represents an
+ * interim result that may change. If `true`, the recognizer will not return
+ * any further hypotheses about this piece of the audio. May only be populated
+ * for `event_type` = `RECOGNITION_EVENT_TRANSCRIPT`.
+ *
+ * @property {number} confidence
+ * The Speech confidence between 0.0 and 1.0 for the current portion of audio.
+ * A higher number indicates an estimated greater likelihood that the
+ * recognized words are correct. The default of 0.0 is a sentinel value
+ * indicating that confidence was not set.
+ *
+ * This field is typically only provided if `is_final` is true and you should
+ * not rely on it being accurate or even set.
+ *
+ * @typedef StreamingRecognitionResult
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.StreamingRecognitionResult definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const StreamingRecognitionResult = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+
+ /**
+ * Type of the response message.
+ *
+ * @enum {number}
+ * @memberof google.cloud.dialogflow.v2
+ */
+ MessageType: {
+
+ /**
+ * Not specified. Should never be used.
+ */
+ MESSAGE_TYPE_UNSPECIFIED: 0,
+
+ /**
+ * Message contains a (possibly partial) transcript.
+ */
+ TRANSCRIPT: 1,
+
+ /**
+ * Event indicates that the server has detected the end of the user's speech
+ * utterance and expects no additional speech. Therefore, the server will
+ * not process additional audio (although it may subsequently return
+ * additional results). The client should stop sending additional audio
+ * data, half-close the gRPC connection, and wait for any additional results
+ * until the server closes the gRPC connection. This message is only sent if
+ * `single_utterance` was set to `true`, and is not used otherwise.
+ */
+ END_OF_SINGLE_UTTERANCE: 2
+ }
+};
+
+/**
+ * Instructs the speech recognizer how to process the audio content.
+ *
+ * @property {number} audioEncoding
+ * Required. Audio encoding of the audio content to process.
+ *
+ * The number should be among the values of [AudioEncoding]{@link google.cloud.dialogflow.v2.AudioEncoding}
+ *
+ * @property {number} sampleRateHertz
+ * Required. Sample rate (in Hertz) of the audio content sent in the query.
+ * Refer to [Cloud Speech API documentation](https://cloud.google.com/speech/docs/basics) for more
+ * details.
+ *
+ * @property {string} languageCode
+ * Required. The language of the supplied audio. Dialogflow does not do
+ * translations. See [Language
+ * Support](https://dialogflow.com/docs/languages) for a list of the
+ * currently supported language codes. Note that queries in the same session
+ * do not necessarily need to specify the same language.
+ *
+ * @property {string[]} phraseHints
+ * Optional. The collection of phrase hints which are used to boost accuracy
+ * of speech recognition.
+ * Refer to [Cloud Speech API documentation](https://cloud.google.com/speech/docs/basics#phrase-hints)
+ * for more details.
+ *
+ * @typedef InputAudioConfig
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.InputAudioConfig definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const InputAudioConfig = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Represents the natural language text to be processed.
+ *
+ * @property {string} text
+ * Required. The UTF-8 encoded natural language text to be processed.
+ * Text length must not exceed 256 bytes.
+ *
+ * @property {string} languageCode
+ * Required. The language of this conversational query. See [Language
+ * Support](https://dialogflow.com/docs/languages) for a list of the
+ * currently supported language codes. Note that queries in the same session
+ * do not necessarily need to specify the same language.
+ *
+ * @typedef TextInput
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.TextInput definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const TextInput = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Events allow for matching intents by event name instead of the natural
+ * language input. For instance, input `<event: { name: “welcome_event”,
+ * parameters: { name: “Sam” } }>` can trigger a personalized welcome response.
+ * The parameter `name` may be used by the agent in the response:
+ * `“Hello #welcome_event.name! What can I do for you today?”`.
+ *
+ * @property {string} name
+ * Required. The unique identifier of the event.
+ *
+ * @property {Object} parameters
+ * Optional. The collection of parameters associated with the event.
+ *
+ * This object should have the same structure as [Struct]{@link google.protobuf.Struct}
+ *
+ * @property {string} languageCode
+ * Required. The language of this query. See [Language
+ * Support](https://dialogflow.com/docs/languages) for a list of the
+ * currently supported language codes. Note that queries in the same session
+ * do not necessarily need to specify the same language.
+ *
+ * @typedef EventInput
+ * @memberof google.cloud.dialogflow.v2
+ * @see [google.cloud.dialogflow.v2.EventInput definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/cloud/dialogflow/v2/session.proto}
+ */
+const EventInput = {
+ // This is for documentation. Actual contents will be loaded by gRPC.
+};
+
+/**
+ * Audio encoding of the audio content sent in the conversational query request.
+ * Refer to the [Cloud Speech API documentation](https://cloud.google.com/speech/docs/basics) for more
+ * details.
+ *
+ * @enum {number}
+ * @memberof google.cloud.dialogflow.v2
+ */
+const AudioEncoding = {
+
+ /**
+ * Not specified.
+ */
+ AUDIO_ENCODING_UNSPECIFIED: 0,
+
+ /**
+ * Uncompressed 16-bit signed little-endian samples (Linear PCM).
+ */
+ AUDIO_ENCODING_LINEAR_16: 1,
+
+ /**
+ * [`FLAC`](https://xiph.org/flac/documentation.html) (Free Lossless Audio
+ * Codec) is the recommended encoding because it is lossless (therefore
+ * recognition is not compromised) and requires only about half the
+ * bandwidth of `LINEAR16`. `FLAC` stream encoding supports 16-bit and
+ * 24-bit samples, however, not all fields in `STREAMINFO` are supported.
+ */
+ AUDIO_ENCODING_FLAC: 2,
+
+ /**
+ * 8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.
+ */
+ AUDIO_ENCODING_MULAW: 3,
+
+ /**
+ * Adaptive Multi-Rate Narrowband codec. `sample_rate_hertz` must be 8000.
+ */
+ AUDIO_ENCODING_AMR: 4,
+
+ /**
+ * Adaptive Multi-Rate Wideband codec. `sample_rate_hertz` must be 16000.
+ */
+ AUDIO_ENCODING_AMR_WB: 5,
+
+ /**
+ * Opus encoded audio frames in Ogg container
+ * ([OggOpus](https://wiki.xiph.org/OggOpus)).
+ * `sample_rate_hertz` must be 16000.
+ */
+ AUDIO_ENCODING_OGG_OPUS: 6,
+
+ /**
+ * Although the use of lossy encodings is not recommended, if a very low
+ * bitrate encoding is required, `OGG_OPUS` is highly preferred over
+ * Speex encoding. The [Speex](https://speex.org/) encoding supported by
+ * Dialogflow API has a header byte in each block, as in MIME type
+ * `audio/x-speex-with-header-byte`.
+ * It is a variant of the RTP Speex encoding defined in
+ * [RFC 5574](https://tools.ietf.org/html/rfc5574).
+ * The stream is a sequence of blocks, one block per RTP packet. Each block
+ * starts with a byte containing the length of the block, in bytes, followed
+ * by one or more frames of Speex data, padded to an integral number of
+ * bytes (octets) as specified in RFC 5574. In other words, each RTP header
+ * is replaced with a single byte containing the block length. Only Speex
+ * wideband is supported. `sample_rate_hertz` must be 16000.
+ */
+ AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE: 7
+};
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