import { Position } from './meta';
export declare function parse(input: string): ParseResult;
export type ParseResult = {
    table_list: Table[];
    zoom?: number;
    view?: Position;
    textBgColor?: string;
    textColor?: string;
    diagramBgColor?: string;
    diagramTextColor?: string;
    tableBgColor?: string;
    tableTextColor?: string;
};
export declare class Parser implements ParseResult {
    table_list: Table[];
    line_list: string[];
    zoom?: number;
    view?: Position;
    textBgColor?: string;
    diagramTextColor?: string;
    textColor?: string;
    diagramBgColor?: string;
    tableBgColor?: string;
    tableTextColor?: string;
    parse(input: string): void;
    parseMeta(input: string): void;
    peekLine(): string;
    hasTable(): boolean | "";
    parseTable(): Table;
    parseField(): Field;
    skipLine(line?: string): void;
    parseEmptyLine(): void;
    parseName(): string;
    parseType(): string | undefined;
    parseDefaultValue(): string;
    parseRelationType(): RelationType;
    parseForeignKeyReference(ref_field_name: string): ForeignKeyReference;
}
export type Table = {
    is_virtual?: boolean;
    name: string;
    field_list: Field[];
    position?: {
        x: number;
        y: number;
        color?: string;
    };
};
export type Field = {
    name: string;
    type: string;
    is_primary_key: boolean;
    is_unique: boolean;
    is_null: boolean;
    is_unsigned: boolean;
    references: ForeignKeyReference | undefined;
    default_value: string | undefined;
};
export type ForeignKeyReference = {
    type: RelationType;
    table: string;
    field: string;
};
export type Relation = {
    from: {
        table: string;
        field: string;
    };
    to: {
        table: string;
        field: string;
    };
    type: RelationType;
};
export type RelationType = '|' | '-<' | '>-' | '>-<' | '-0' | '0-' | '0-0' | '-0<' | '>0-';