src/vs/workbench/contrib/debug/common/debugModel.ts/Variable/setVariable
class Variable:	async setVariable(value: string): Promise<any> {
		if (!this.session) {
			return;
		}

		try {
			const response = await this.session.setVariable((<ExpressionContainer>this.parent).reference, this.name, value);
			if (response && response.body) {
				this.value = response.body.value || '';
				this.type = response.body.type || this.type;
				this.reference = response.body.variablesReference;
				this.namedVariables = response.body.namedVariables;
				this.indexedVariables = response.body.indexedVariables;
			}
		} catch (err) {
			this.errorMessage = err.message;
		}
	}