@Schema(description = "Information needed to create a prophecy.")
public class CreateProphecyRequest {

    @Schema(
            description = "Stock name.",
            required = true,
            minLength = 1,
            maxLength = 100,
            example = "GOOG"
    )
    private String stockName;

    @Schema(
            description = "Expected future stock value.",
            required = true,
            minimum = "0.0",
            example = "120.45"
    )
    private BigDecimal stockExpectedValue;

    @Schema(
            description = "Type of prophecy.",
            required = true,
            implementation = ProphecyType.class
    )
    private ProphecyType prophecyType;

    @Schema(
            description = "Moment in time when the prophecy is expected to be fulfilled.",
            required = true,
            type = SchemaType.STRING,
            implementation = String.class,
            format = DataFormat.TIMESTAMP,
            example = "\"2019-03-21T14:30:44.406Z\""
    )
    private Instant expectedAt;

    // … setters und getters …
}