import { O_CREATE_TABLE_CREATE_DEFINITION, O_CREATE_TABLE_CREATE_DEFINITION_FOREIGN_KEY, ForeignKeyInterface } from '../../../../typings';
import { ForeignKeyModelInterface, IndexColumnModelInterface, ColumnReferenceModelInterface, ColumnModelInterface, TableModelInterface } from './typings';
/**
 * Foreign key of a table.
 */
export declare class ForeignKey implements ForeignKeyModelInterface {
    name?: string;
    columns: IndexColumnModelInterface[];
    reference: ColumnReferenceModelInterface;
    /**
     * Creates a foreign key from a JSON def.
     *
     * @param json JSON format parsed from SQL.
     */
    static fromDef(json: O_CREATE_TABLE_CREATE_DEFINITION): ForeignKey;
    /**
     * Creates a foreign key from an object containing needed properties.
     *
     * @param json Object containing properties.
     */
    static fromObject(json: O_CREATE_TABLE_CREATE_DEFINITION_FOREIGN_KEY): ForeignKey;
    /**
     * JSON casting of this object calls this method.
     */
    toJSON(): ForeignKeyInterface;
    /**
     * Create a deep clone of this model.
     */
    clone(): ForeignKey;
    /**
     * Push an index column to columns array.
     *
     * @param indexColumn Index column to be pushed.
     */
    pushColumn(indexColumn: IndexColumnModelInterface): void;
    /**
     * Drops an index column, returning a boolean to whether column was removed.
     *
     * @param name Column name to be dropped.
     */
    dropColumn(name: string): boolean;
    /**
     * Get the columns in given table which this foreign key's index columns refer to.
     *
     * @param table Table in question.
     */
    getColumnsFromTable(table: TableModelInterface): ColumnModelInterface[];
    /**
     * Get whether the given table has all of this foreign key's owner table columns.
     */
    hasAllColumnsFromTable(table: TableModelInterface): boolean;
    /**
     * Set size of this index to the size of index's column in given
     * table, if the size of this index is not already set.
     */
    setIndexSizeFromTable(table: TableModelInterface): void;
    /**
     * Get whether the given table has all of this foreign key's referenced table columns.
     */
    hasAllColumnsFromRefTable(table: TableModelInterface): boolean;
    /**
     * Get referenced table by this foreign key, from array
     * of given tables. Returns null if no table was found.
     *
     * @param tables Table array to search.
     */
    getReferencedTable(tables: TableModelInterface[]): TableModelInterface | undefined;
    /**
     * Checks and returns whether this foreign key references given table and column.
     *
     * @param table Table to be checked whether there is reference to.
     * @param column Column to be checked in given table.
     */
    referencesTableAndColumn(table: TableModelInterface, column: ColumnModelInterface): boolean;
    /**
     * Checks and returns whether this foreign key references given table.
     *
     * @param table Table to be checked whether there is reference to.
     */
    referencesTable(table: TableModelInterface): boolean;
    /**
     * Rename index column name.
     *
     * @param column Column being renamed.
     * @param newName New column name.
     */
    renameColumn(column: ColumnModelInterface, newName: string): void;
    /**
     * Update referenced table name.
     *
     * @param newName New table name.
     */
    updateReferencedTableName(newName: string): void;
}