Interface FunctionDeclarationStructure

interface FunctionDeclarationStructure {
    docs?: (string | OptionalKind<JSDocStructure>)[];
    hasDeclareKeyword?: boolean;
    isAsync?: boolean;
    isDefaultExport?: boolean;
    isExported?: boolean;
    isGenerator?: boolean;
    kind: Function;
    leadingTrivia?: string | WriterFunction | (string | WriterFunction)[];
    name?: string;
    overloads?: OptionalKind<FunctionDeclarationOverloadStructure>[];
    parameters?: OptionalKind<ParameterDeclarationStructure>[];
    returnType?: string | WriterFunction;
    statements?:
        | string
        | WriterFunction
        | (string | WriterFunction | StatementStructures)[];
    trailingTrivia?: string | WriterFunction | (string | WriterFunction)[];
    typeParameters?: (string | OptionalKind<TypeParameterDeclarationStructure>)[];
}