content: package dev.ai4j.openai4j.chat;
  
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.fasterxml.jackson.databind.PropertyNamingStrategies;
  import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
  import com.fasterxml.jackson.databind.annotation.JsonNaming;
  import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
  
  import java.util.Objects;
  
  import static dev.ai4j.openai4j.chat.Role.TOOL;
  
  @JsonDeserialize(builder = ToolMessage.Builder.class)
  @JsonInclude(JsonInclude.Include.NON_NULL)
  @JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
  public final class ToolMessage implements Message {
  
      @JsonProperty
      private final Role role = TOOL;
      @JsonProperty
      private final String toolCallId;
      @JsonProperty
      private final String content;
  
      private ToolMessage(Builder builder) {
          this.toolCallId = builder.toolCallId;
          this.content = builder.content;
      }
  
      public Role role() {
          return role;
      }
  
      public String toolCallId() {
          return toolCallId;
      }
  
      public String content() {
          return content;
      }
  
      @Override
      public boolean equals(Object another) {
          if (this == another) return true;
          return another instanceof ToolMessage
                  && equalTo((ToolMessage) another);
      }
  
      private boolean equalTo(ToolMessage another) {
          return Objects.equals(role, another.role)
                  && Objects.equals(toolCallId, another.toolCallId)
                  && Objects.equals(content, another.content);
      }
  
      @Override
      public int hashCode() {
          int h = 5381;
          h += (h << 5) + Objects.hashCode(role);
          h += (h << 5) + Objects.hashCode(toolCallId);
          h += (h << 5) + Objects.hashCode(content);
          return h;
      }
  
      @Override
      public String toString() {
          return "ToolMessage{"
                  + "role=" + role
                  + ", toolCallId=" + toolCallId
                  + ", content=" + content
                  + "}";
      }
  
      public static ToolMessage from(String toolCallId, String content) {
          return ToolMessage.builder()
                  .toolCallId(toolCallId)
                  .content(content)
                  .build();
      }
  
      public static Builder builder() {
          return new Builder();
      }
  
      @JsonPOJOBuilder(withPrefix = "")
      @JsonIgnoreProperties(ignoreUnknown = true)
      @JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
      public static final class Builder {
  
          private String toolCallId;
          private String content;
  
          private Builder() {
          }
  
          public Builder toolCallId(String toolCallId) {
              this.toolCallId = toolCallId;
              return this;
          }
  
          public Builder content(String content) {
              this.content = content;
              return this;
          }
  
          public ToolMessage build() {
              return new ToolMessage(this);
          }
      }
  }
  