Enumeration LayoutElementSource

@Retention(RetentionPolicy.CLASS)
public @interface EnumLayoutElementSource {
    /** No element exists at this logical grid position (used for alignment in non-uniform rows). */
    int LES_NONE = 0;
    /** Element is provided from the original input array. */
    int LES_INPUT = 1;
    /** Element is reconstructed or filled in by the algorithm. */
    int LES_INFERRED = 2;
}