import { SimpleAppConfigError } from './simpleAppConfigError';
/**
 * An error extending {@link SimpleAppConfigError} that should be thrown when a string is being converted to a nonexistent type.
 */
export declare class UnsupportedTypeError extends SimpleAppConfigError {
    /**
     * The conversion type that is unsupported.
     */
    private type;
    /**
     * Constructor for {@link UnsupportedTypeError}.
     * @param type The type that the input value is being converted to.
     */
    constructor(type: string);
    /**
     * Gets the type that caused the error
     * @returns The type that is nonexistent.
     */
    getType(): string;
}