export interface ExtenderDef {
    extender: ExtenderSpec;
    methodCalls?: MethodCallSpec[];
}
export interface ExtenderSpec {
    className: string;
    args?: ExpressionSpec[];
}
export interface MethodCallSpec {
    methodName: string;
    args?: ExpressionSpec[];
}
export interface ExpressionSpec {
    type: ExpressionType;
    value: string | boolean | number | ClosureSpec;
    auxiliaryValue?: string;
}
export interface ClosureSpec {
    params: ParamSpec[];
    commentText?: string;
    return?: ExpressionSpec;
}
export interface ParamSpec {
    typeType: ParamTypeType;
    type: string;
    name: string;
}
export declare enum ExpressionType {
    SCALAR = "scalar",
    CLASS_CONST = "class_const",
    CLOSURE = "closure",
    VARIABLE = "variable"
}
export declare enum ParamTypeType {
    CLASS = "class",
    PRIMITIVE = "primitive"
}
export interface PhpProvider {
    withExtender(extendContents: string, extenderDef: ExtenderDef): string;
}
export declare class PhpSubsystemProvider implements PhpProvider {
    protected phpPath: string;
    constructor(phpPath: string);
    withExtender(extendContents: string, extenderDef: ExtenderDef): string;
}