import React from 'react';
import BlockData from '../BlockData';
import '../global.css';
import { ICollision, CollisionProps, ColumnProps, ColumnState } from './IColumn';
export default class Column<BlockTypesType extends object> extends React.Component<ColumnProps<BlockTypesType>, ColumnState<BlockTypesType>> {
    blockPropsMap: WeakMap<BlockData<BlockTypesType>, CollisionProps<BlockTypesType>>;
    state: {
        isMouseDown: boolean;
        blocksCopy: BlockData<BlockTypesType>[];
    };
    static getDerivedStateFromProps<BlockTypesType extends object>(props: ColumnProps<BlockTypesType>, state: ColumnState<BlockTypesType>): {
        blocksCopy: BlockData<BlockTypesType>[];
    } | null;
    private generateSelectedBlocks;
    private _setAllBlockCollisionProps;
    _calcBlockWidths: (blocks?: BlockData<BlockTypesType>[] | undefined) => void;
    /**
     * calculates how close to the previous block label a block is
     */
    _closestCollisionIx: (block: BlockData<BlockTypesType>, collisions: ICollision<BlockTypesType>[]) => number;
    /**
     * returns the lowest value index of the collision set
     */
    _minCollisionIx: (collisions: ICollision<BlockTypesType>[]) => number;
    /**
     * finds the closest colliding block
     */
    _closestCollision: (blockIx: number, collisions: ICollision<BlockTypesType>[]) => ICollision<BlockTypesType> | undefined;
    /**
     * calculates the number of collisions for a block
     */
    _calcNumCollisions: (blockIx: number, closestCollision: ICollision<BlockTypesType>, minCollisionIx: number) => number;
    /**
     * calculates the number of blocks the specified block overlaps with
     */
    _collidingBlocks: (block: BlockData<BlockTypesType>, blocks: BlockData<BlockTypesType>[]) => ICollision<BlockTypesType>[];
    _setMouseDown: (isMouseDown: boolean) => void;
    /**
     * partial application of the 'callActiveMethod' prop
     */
    _callActiveMethod: (indexes: number[], blockToModify?: BlockData<BlockTypesType> | undefined) => void;
    /**
     * calls the callback provided in props with the index value of the column
     */
    private toggleSelect;
    render(): JSX.Element;
}