import { JoinColumnOptions } from "../decorator/options/JoinColumnOptions";
import { RelationType } from "../metadata/types/RelationTypes";
import { JoinTableMultipleColumnsOptions } from "../decorator/options/JoinTableMuplipleColumnsOptions";
import { OnDeleteType } from "../metadata/types/OnDeleteType";
export interface EntitySchemaRelation {
    /**
     * Indicates with which entity this relation is made.
     */
    target: Function | string;
    /**
     * Type of relation. Can be one of the value of the RelationTypes class.
     */
    type: RelationType;
    /**
     * Inverse side of the relation.
     */
    inverseSide?: string;
    /**
     * Indicates if this relation will be lazily loaded.
     */
    isLazy?: boolean;
    /**
     * Join table options of this column. If set to true then it simply means that it has a join table.
     */
    joinTable?: boolean | JoinColumnOptions | JoinTableMultipleColumnsOptions;
    /**
     * Join column options of this column. If set to true then it simply means that it has a join column.
     */
    joinColumn?: boolean | {
        /**
         * Name of the column.
         */
        name?: string;
        /**
         * Name of the column in the entity to which this column is referenced.
         */
        referencedColumnName?: string;
    };
    /**
     * Indicates if this is a parent (can be only many-to-one relation) relation in the tree tables.
     */
    isTreeParent?: boolean;
    /**
     * Indicates if this is a children (can be only one-to-many relation) relation in the tree tables.
     */
    isTreeChildren?: boolean;
    /**
     * If set to true then it means that related object can be allowed to be inserted / updated / removed to the db.
     * This is option a shortcut if you would like to set cascadeInsert, cascadeUpdate and cascadeRemove to true.
     */
    cascadeAll?: boolean;
    /**
     * If set to true then it means that related object can be allowed to be inserted to the db.
     */
    cascadeInsert?: boolean;
    /**
     * If set to true then it means that related object can be allowed to be updated in the db.
     */
    cascadeUpdate?: boolean;
    /**
     * If set to true then it means that related object can be allowed to be remove from the db.
     */
    cascadeRemove?: boolean;
    /**
     * Default database value.
     */
    default?: any;
    /**
     * Indicates if relation column value can be nullable or not.
     */
    nullable?: boolean;
    /**
     * Database cascade action on delete.
     */
    onDelete?: OnDeleteType;
}