global class CallsEndRequest { global static Slack.CallsEndRequest.Builder builder() { } global Object clone() { } global Integer getDuration() { } global String getId() { } global String toString() { } global class Builder { global CallsEndRequest.Builder() { } global Slack.CallsEndRequest build() { } global Object clone() { } global Slack.CallsEndRequest.Builder duration(Integer duration) { } global Slack.CallsEndRequest.Builder id(String id) { } } }