export interface Config {
    hasuraUrl: string;
    hasuraAdminSecret?: string;
    generate: {
        tables: string[];
        exclude?: string[];
        output: string;
        entityBase?: {
            name: string;
            module: string;
        };
    };
}
export interface IndexMetadata {
    name: string;
    table: string;
    columns: string[];
    type: "FOREIGN KEY" | "PRIMARY KEY" | "UNIQUE";
}
export interface ColumnMetadata {
    name: string;
    type: string;
    isNullable: boolean;
    default?: string;
    isEnum: boolean;
}
export interface HasuraMetadata {
    tables: HasuraTableMetadata[];
}
export interface HasuraObjectRelationMetadata {
    name: string;
    using: {
        foreign_key_constraint_on: string;
    };
}
export interface HasuraArrayRelationMetadata {
    name: string;
    using: {
        foreign_key_constraint_on: {
            column: string;
            table: {
                schema: string;
                name: string;
            };
        };
    };
}
export interface HasuraTableMetadata {
    table: {
        schema: string;
        name: string;
    };
    is_enum: boolean;
    object_relationships?: HasuraObjectRelationMetadata[];
    array_relationships?: HasuraArrayRelationMetadata[];
}
export declare type PostgresOnEvent = "CASCADE" | "NO ACTION" | "RESTRICT" | "SET NULL";
export interface ForeignKeyMetadata {
    foreignName: string;
    column: string;
    referenceTable: string;
    referenceColumn: string;
    onUpdate: PostgresOnEvent;
    onDelete: PostgresOnEvent;
}
export interface TableMetadata {
    table: {
        schema: string;
        name: string;
    };
    columns: ColumnMetadata[];
    indexes: IndexMetadata[];
    oneToMany: TableRelationMetadata[];
    manyToOne: ManyToOneRelationMetadata[];
}
export interface EnumMetadata {
    name: string;
    values: string[];
}
export interface TableRelationMetadata {
    name: string;
    foreignName?: string;
    column: string;
    referenceTable: string;
    referenceColumn: string;
    reverse?: string;
}
export interface ManyToOneRelationMetadata extends TableRelationMetadata {
    onDelete: PostgresOnEvent;
    onUpdate: PostgresOnEvent;
}