import { Expression, GroupExpression } from './expression';
import { GroupSchema } from './group.schema';
import { Node } from './node';
export declare class Line {
    private GroupSchemaT;
    immutable: boolean;
    readonly expressions: Expression[];
    constructor(GroupSchemaT: typeof GroupSchema);
    private getIndex(id);
    private findById(expressions, id, parent?);
    add(expression: Expression): void;
    clone(id: string): Expression;
    get(id: string): Expression | GroupExpression;
    put(id: string, node: Node, build: any): void;
    remove(id: any): void;
}