import { Model, RelationMappings } from 'objection';
import { ContentGroup } from './content-group';
import { AbstractModel } from './abstract-model';
import { Locale } from './locale';
import { TagSystem } from './tag-system';
export declare enum ContentLeafTypes {
    Problem = "PROBLEM",
    Supplement = "SUPPLEMENT",
    Comment = "COMMENT"
}
export declare class ContentLeaf extends AbstractModel {
    type: ContentLeafTypes;
    content: any;
    localeId: number;
    chainId: string;
    readonly id: number;
    readonly created?: Date;
    extendedFromChainId: string | null;
    contentGroups: ContentGroup[];
    locale?: Locale;
    sortOrder?: number;
    page?: number;
    relations: ContentLeaf[];
    systemTags: TagSystem[];
    constructor(type: ContentLeafTypes, content: any, localeId: number, chainId?: string);
    static tableName: string;
    static jsonAttributes: string[];
    static jsonSchema: {
        type: string;
        required: string[];
        properties: {
            id: {
                type: string;
            };
            chainId: {
                type: string;
            };
            type: {
                type: string;
                enum: ContentLeafTypes[];
            };
            content: {
                type: string;
            };
            localeId: {
                type: string;
            };
            extendedFromChainId: {
                type: string[];
            };
        };
    };
    static relationMappings: RelationMappings;
    remove(): import("objection").QueryBuilder<this["systemTags"] & Model, this["systemTags"] & Model, this["systemTags"] & Model>;
    $beforeInsert(): void;
}