import { BaseNode } from '../base';
import { SourceUnitContext, SolidityParserVisitor } from '../../antlr4';
import { ImportDirective } from './import-directive';
import { PragmaDirective } from './pragma-directive';
import { UsingDirective } from './using-directive';
import { VariableDeclaration, UserDefinedValueTypeDefinition, StructDefinition, FunctionDefinition, ErrorDefinition, EnumDefinition, ContractDefinition } from '../declaration';
type SourceUnitNodes = ContractDefinition | EnumDefinition | ErrorDefinition | FunctionDefinition | ImportDirective | PragmaDirective | StructDefinition | UserDefinedValueTypeDefinition | UsingDirective | VariableDeclaration;
export declare class SourceUnit extends BaseNode {
    type: "SourceUnit";
    nodes: SourceUnitNodes[];
    constructor(ctx: SourceUnitContext, visitor: SolidityParserVisitor<any>);
}
export {};