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;
    parseCollateValue(): string;
    parseFieldModifiers(field: Field): void;
    skipLine(line?: string): void;
    parseEmptyLine(): void;
    parseName(): string;
    parseType(): string | undefined;
    parseDefaultValue(field: Field): string;
    parseRelationType(): RelationType;
    parseForeignKeyReference(field: Field): ForeignKeyReference;
}
export declare function unwrapQuotedName(name: string): string;
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;
    is_zerofill: boolean;
    references: ForeignKeyReference | undefined;
    default_value: string | undefined;
    collate: string | undefined;
};
export type ForeignKeyReference = {
    type: RelationType;
    table: string;
    field: string;
};
export type Relation = {
    from: {
        table: string;
        field: string;
    };
    to: {
        table: string;
        field: string;
    };
    /**
    | Relation Type | Description |
    | ---- | ----------- |
    | -     | one TO one |
    | -<    | one TO many |
    | >-    | many TO one |
    | >-<   | many TO many |
    | -0    | one TO zero or one |
    | 0-    | zero or one TO one |
    | 0-0   | zero or one TO zero or one |
    | -0<   | one TO zero or many |
    | >0-   | zero or many TO one |
  */
    type: RelationType;
};
export type RelationType = (typeof RelationTypes)[number];
export declare const RelationTypes: ("-" | ">0-" | "-0<" | ">-<" | "0-0" | ">-" | "-<" | "0-" | "-0")[];