import { O_ALTER_TABLE_SPEC_ADD_PRIMARY_KEY, O_CREATE_TABLE_CREATE_DEFINITION, O_CREATE_TABLE_CREATE_DEFINITION_PRIMARY_KEY, PrimaryKeyInterface } from '../../../../typings';
import { PrimaryKeyModelInterface, IndexColumnModelInterface, IndexOptionsModelInterface, TableModelInterface, ColumnModelInterface } from './typings';
/**
 * Primary key of a table.
 */
export declare class PrimaryKey implements PrimaryKeyModelInterface {
    name?: string;
    indexType?: string;
    columns?: IndexColumnModelInterface[];
    options?: IndexOptionsModelInterface;
    /**
     * Creates a primary key from a JSON def.
     *
     * @param json JSON format parsed from SQL.
     */
    static fromDef(json: O_CREATE_TABLE_CREATE_DEFINITION): PrimaryKey;
    /**
     * Creates a primary key from an object containing needed properties.
     *
     * @param json Object containing properties.
     */
    static fromObject(json: O_ALTER_TABLE_SPEC_ADD_PRIMARY_KEY | O_CREATE_TABLE_CREATE_DEFINITION_PRIMARY_KEY): PrimaryKey;
    /**
     * JSON casting of this object calls this method.
     */
    toJSON(): PrimaryKeyInterface;
    /**
     * Create a deep clone of this model.
     */
    clone(): PrimaryKey;
    /**
     * Pushes an index column to this primary key.
     *
     * @param {IndexColumn} indexColumn Index column to be pushed.
     */
    pushColumn(indexColumn: IndexColumnModelInterface): void;
    /**
     * Drops a column from key. Returns whether column was removed.
     *
     * @param name Column name to be dropped.
     */
    dropColumn(name: string): boolean;
    /**
     * Get the columns in given table which this
     * primary key's index columns refer to.
     *
     * @param table Table in question.
     */
    getColumnsFromTable(table: TableModelInterface): ColumnModelInterface[];
    /**
     * Whether the given table has all of this primary key's columns.
     *
     * @param table Table in question.
     */
    hasAllColumnsFromTable(table: TableModelInterface): boolean;
    /**
     * Rename index column name.
     *
     * @param column Column being renamed.
     * @param newName New column name.
     */
    renameColumn(column: ColumnModelInterface, newName: string): void;
}