import { Diagnostic, Program, Type } from "@typespec/compiler";
import { SpawnOptions } from "child_process";
export declare function trace(program: Program, msg: string): void;
export declare function pascalCase(name: string): string;
export declare function getNamespace(type: Type | undefined): string | undefined;
export declare function stringArrayContainsIgnoreCase(stringList: string[], str: string): boolean;
export declare function removeClientSuffix(clientName: string): string;
export type SpawnReturns = {
    stdout: string;
    stderr: string;
};
export declare class SpawnError extends Error {
    stdout: string;
    stderr: string;
    constructor(message: string, stdout: string, stderr: string);
}
export declare class DiagnosticError extends Error {
    diagnostic: Diagnostic;
    constructor(diagnostic: Diagnostic);
}
export declare function spawnAsync(command: string, args: readonly string[], options: SpawnOptions): Promise<SpawnReturns>;
export declare function escapeJavaKeywords(name: string, suffix: string): string;
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