export type PhpNullish = null | undefined;
export type PhpInput = {} | PhpNullish;
export type PhpScalar = string | number | boolean;
export type PhpLiteral = PhpScalar | null;
export type PhpPrimitive = PhpScalar | bigint;
export type PhpKey = string | number;
export type NumericLike = number | bigint | string;
export type StringLike = string | number | boolean | bigint;
export type PhpStringish = StringLike | PhpNullish;
export type PhpList<T = PhpInput> = T[];
export type PhpAssoc<T = PhpInput> = {
    [key: string]: T;
};
export type PhpContainer<T = PhpInput> = PhpList<T> | PhpAssoc<T>;
export type PhpArrayLike<T = PhpInput> = PhpList<T> | PhpAssoc<T>;
export interface PhpRecursiveAssoc {
    [key: string]: PhpRecursiveValue;
}
export interface PhpRecursiveList extends Array<PhpRecursiveValue> {
}
export type PhpRecursiveValue = PhpPrimitive | PhpNullish | PhpRecursiveList | PhpRecursiveAssoc;
export type PhpFunctionValue = (...args: PhpInput[]) => PhpInput;
export interface PhpRuntimeAssoc {
    [key: string]: PhpRuntimeValue;
}
export interface PhpRuntimeList extends Array<PhpRuntimeValue> {
}
export type PhpRuntimeValue = PhpPrimitive | PhpNullish | PhpRuntimeList | PhpRuntimeAssoc | PhpFunctionValue;
export type PhpReadonlyList<T = PhpInput> = readonly T[];
export type PhpReadonlyAssoc<T = PhpInput> = Readonly<PhpAssoc<T>>;
export type PhpReadonlyArrayLike<T = PhpInput> = PhpReadonlyList<T> | PhpReadonlyAssoc<T>;
export declare const entriesOfPhpAssoc: <T>(value: PhpAssoc<T>) => Array<[string, T]>;
export declare function normalizeArrayKey(key: string): string | number;
export type PhpCallableArgs = PhpInput[];
export type PhpCallable<TArgs extends PhpCallableArgs = PhpCallableArgs, TResult = PhpInput> = (...args: TArgs) => TResult;
export type PhpCallableScope = PhpInput;
export type PhpCallableTuple<TArgs extends PhpCallableArgs = PhpCallableArgs, TResult = PhpInput> = readonly [
    PhpCallableScope,
    string | PhpCallable<TArgs, TResult>
];
export type PhpCallableDescriptor<TArgs extends PhpCallableArgs = PhpCallableArgs, TResult = PhpInput> = string | PhpCallable<TArgs, TResult> | PhpCallableTuple<TArgs, TResult>;
export type PhpComparatorDescriptor<T> = PhpCallableDescriptor<[T, T], NumericLike>;
export type PhpKeyComparatorDescriptor = PhpCallableDescriptor<[string, string], NumericLike>;
export declare function isPhpNullish(value: PhpInput): value is PhpNullish;
export declare function isPhpList<T = PhpInput>(value: PhpInput): value is PhpList<T>;
export declare function isObjectLike(value: PhpInput): value is PhpArrayLike<PhpInput>;
export declare function isPhpAssocObject<T = PhpInput>(value: PhpInput): value is PhpAssoc<T>;
export declare function isPhpScalar(value: PhpInput): value is PhpScalar;
export declare function isPhpKey(value: PhpInput): value is PhpKey;
export declare function isNumericLike(value: PhpInput): value is NumericLike;
export declare function isPhpCallable<TArgs extends PhpCallableArgs = PhpCallableArgs, TResult = PhpInput>(value: PhpInput): value is PhpCallable<TArgs, TResult>;
export declare function isPhpCallableDescriptor<TArgs extends PhpCallableArgs = PhpCallableArgs, TResult = PhpInput>(value: PhpInput): value is PhpCallableDescriptor<TArgs, TResult>;
export declare function assertIsObjectLike(value: PhpInput, message?: string): asserts value is PhpArrayLike<PhpInput>;
export declare function assertIsPhpAssocObject(value: PhpInput, message?: string): asserts value is PhpAssoc<PhpInput>;
export declare function assertIsPhpList(value: PhpInput, message?: string): asserts value is PhpList<PhpInput>;
export declare function assertIsPhpKey(value: PhpInput, message?: string): asserts value is PhpKey;
export declare function assertIsNumericLike(value: PhpInput, message?: string): asserts value is NumericLike;
export declare function assertIsPhpCallable<TArgs extends PhpCallableArgs = PhpCallableArgs, TResult = PhpInput>(value: PhpInput, message?: string): asserts value is PhpCallable<TArgs, TResult>;
export declare function isPhpArrayObject<T = PhpInput>(value: PhpInput): value is PhpAssoc<T>;
export declare function toPhpArrayObject<T = PhpInput>(value: PhpInput): PhpAssoc<T>;